Article(id=1207433494947533665, tenantId=1146029695717560320, journalId=1189873630562394117, issueId=1207433493215289544, articleNumber=null, orderNo=null, doi=10.11855/j.issn.0577-7402.2022.08.0802, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1628611200000, receivedDateStr=2021-08-11, revisedDate=null, revisedDateStr=null, acceptedDate=1633968000000, acceptedDateStr=2021-10-12, onlineDate=1765804178225, onlineDateStr=2025-12-15, pubDate=1661616000000, pubDateStr=2022-08-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1765804178225, onlineIssueDateStr=2025-12-15, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1765804178225, creator=13701087609, updateTime=1765804178225, updator=13701087609, issue=Issue{id=1207433493215289544, tenantId=1146029695717560320, journalId=1189873630562394117, year='2022', volume='47', issue='8', pageStart='745', pageEnd='850', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1765804177811, creator=13701087609, updateTime=1765804292764, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1207433975413444883, tenantId=1146029695717560320, journalId=1189873630562394117, issueId=1207433493215289544, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1207433975413444884, tenantId=1146029695717560320, journalId=1189873630562394117, issueId=1207433493215289544, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=802, endPage=808, ext={EN=ArticleExt(id=1207433496147104641, articleId=1207433494947533665, tenantId=1146029695717560320, journalId=1189873630562394117, language=EN, title=Construction of prediction model of preeclampsia based on machine learning algorithm, columnId=1190310109000602400, journalTitle=Medical Journal of Chinese People’s Liberation Army, columnName=Clinical Research, runingTitle=null, highlight=null, articleAbstract=
Objective To screen the risk factors of preeclampsia and construct the predictive model of preeclampsia based on machine learning algorithm. Methods A retrospective study was conducted to collect the clinical data of 1609 hospitalized pregnant women from January 2016 to December 2018 on the big data platform of Academy of Medical Data Science of Chongqing Medical University. The 1609 cases were divided into preeclampsia group (n=291) and non-preeclampsia group (n=1318) according to the occurrence of preeclampsia during hospitalization. The clinical data of 70% patients were randomly selected as the training set (n=1126) to construct the prediction model, and the remaining 30% were used as the test set (n=483) for verification, and a consistency check between training set and test set was performed. The independent risk factors were screened by univariate analysis and logistic regression analysis, and the optimal parameters of LightGBM algorithm were searched by 5-fold cross-validation algorithm, and the prediction model was constructed based on LightGBM machine learning algorithm. Results A total of 58 indicators were collected, 13 indicators with missing rate ≥30% were excluded, and 45 indicators were finally included. Significant differences of 35 indicators existed between preeclampsia group and non-preeclampsia group (P<0.05) such as gamma-glutamyl transferase (GGT), alanine aminotrans ferase (ALT), thrombin time, aspartase transaminase (AST) and specific gravity of urine.Logistic regression analysis showed that specific gravity of urine, uric acid, hemoglobin concentration of erythrocyte, globulin, platelet distribution width, potassium ion, visiting age, family history of hypertension, systolic blood pressure, diastolic blood pressure,pulse and gestational age ≥34 weeks were independent risk factors for preeclampsia. The results of 5-fold cross-validation showed that, when num_leaves=5, max_depth=3, min_data_in_leaf=91, feature_fraction=0.8, bagging_fraction=0.6, and bagging_freq=5,the LightGBM model achieved the best effect the area under the curve (AUC), sensitivity and specificity of LightGBM model were 0.964, 84.9% and 92.7%. Conclusion The prediction model of preeclampsia based on LightGBM machine learning algorithm has a higher prediction effect, which can effectively predict the occurrence of preeclampsia in pregnant women in Chongqing, and provide decisions for clinicians.
, correspAuthors=Ya-Ling Luo, authorNote=null, correspAuthorsNote=
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目的 筛选子痫前期的危险因素并构建基于机器学习算法的子痫前期预测模型。方法 收集重庆医科大学医学数据研究院大数据平台中2016年1月-2018年12月1609例住院孕妇的临床数据进行回顾性分析。依据住院期间是否发生子痫前期分为子痫前期组(n=291)与非子痫前期组(n=1318)。随机抽取70%患者的临床资料作为训练集(n=1126)构建预测模型,其余30%作为测试集(n=483)进行验证,并对测试集和训练集进行一致性检验。采用单因素分析及logistic回归分析筛选独立危险因素,利用5折交叉验证算法寻找LightGBM算法的最优参数,并基于LightGBM机器学习算法构建预测模型。结果 共收集了58项指标,排除缺失率≥30%的13项指标,最终共纳入45项指标。子痫前期组与非子痫前期组的谷氨酰转移酶、谷丙转氨酶、凝血酶时间、谷草转氨酶、尿比重等35项指标差异有统计学意义(P<0.05)。Logistic回归分析结果显示,尿比重、尿酸、平均红细胞血红蛋白浓度、球蛋白、血小板分布宽度、钾离子、就诊年龄、高血压家族史、收缩压、舒张压、脉搏和孕周≥34周是子痫前期的独立危险因素。经5折交叉验证,当num_leaves=5、max_depth=3、min_data_in_leaf=91、feature_fraction=0.8、bagging_fraction=0.6,bagging_freq=5时,LightGBM模型的效果达到最优,模型的曲线下面积(AUC)为0.964,敏感度为84.9%,特异度为92.7%。结论 基于LightGBM机器学习算法构建的子痫前期预测模型具有较好的预测效能,能够有效预测重庆地区孕妇子痫前期的发生,为临床医师提供决策参考。
, correspAuthors=罗亚玲, authorNote=null, correspAuthorsNote=
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郑江元,硕士研究生,主要从事电子病历数据挖掘方面的研究
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2重庆医科大学医学数据研究院,重庆 400016)])], figs=[ArticleFig(id=1207700252669349893, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1207433494947533665, language=EN, label=Fig. 1, caption=
ROC plot of logistic regression model and LightGBM model in test set, figureFileSmall=dnLdXsDbQLSNPz2QzTwmjg==, figureFileBig=zUol1n+oaEesst7Y9Bh5lQ==, tableContent=null), ArticleFig(id=1207700253415936007, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1207433494947533665, language=CN, label=图1, caption=
Logistic回归模型与LightGBM模型在测试集中的ROC曲线图, figureFileSmall=dnLdXsDbQLSNPz2QzTwmjg==, figureFileBig=zUol1n+oaEesst7Y9Bh5lQ==, tableContent=null), ArticleFig(id=1207700255173349385, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1207433494947533665, language=EN, label=Tab. 1, caption=
Comparison of baseline data between preeclampsia group and non-preeclampsia group
, figureFileSmall=null, figureFileBig=null, tableContent=
| 临床指标 | 子痫前期组(n=291) | 非子痫前期组(n=1318) | χ2/Z | P |
|---|
| GGT[U/L, M(Q1, Q3)] | 16.00(9.93, 32.00) | 11.20(8.00, 17.10) | –8.117 | <0.001 |
| ALT[U/L, M(Q1, Q3)] | 15.00(10.00, 25.30) | 11.50(8.50, 17.04) | –6.173 | <0.001 |
| 中性粒细胞计数[×109/L, M(Q1, Q3)] | 6.55(5.05, 8.19) | 6.36(5.27, 7.86) | –0.610 | 0.542 |
| PT[s, M(Q1, Q3)] | 10.90(10.30, 11.60) | 10.90(10.50, 11.40) | –0.037 | 0.971 |
| TT[s, M(Q1, Q3)] | 16.20(14.90, 17.60) | 15.30(13.10, 16.60) | –6.854 | <0.001 |
| AST[U/L, M(Q1, Q3)] | 21.70(16.80, 31.00) | 18.10(15.10, 22.60) | –6.856 | <0.001 |
| 尿比重[M(Q1, Q3)] | 1.02(1.02, 1.03) | 1.02(1.02, 1.02) | –6.085 | <0.001 |
| 尿素[mmol/L, M(Q1, Q3)] | 4.14(3.20, 5.11) | 3.20(2.60, 3.93) | –10.776 | <0.001 |
| 尿酸[μmol/L, M(Q1, Q3)] | 419.00(342.00, 482.60) | 316.95(270.80, 370.45) | –14.543 | <0.001 |
| 总胆汁酸[μmol/L, M(Q1, Q3)] | 3.70(2.00, 6.39) | 2.83(1.80, 4.79) | –3.744 | <0.001 |
| TBIL[(μmol/L, M(Q1, Q3)] | 7.30(5.60, 9.60) | 8.80(6.70, 11.60) | –6.221 | <0.001 |
| 总蛋白[g/L, M(Q1, Q3)] | 60.80(55.74, 65.10) | 64.59(59.68, 68.40) | –7.903 | <0.001 |
| MCV[fl, M(Q1, Q3)] | 90.40(87.20, 94.00) | 91.60(86.70, 95.63) | –1.899 | 0.058 |
| MCHC[g/L, M(Q1, Q3)] | 333.00(323.00, 341.00) | 325.00(316.00, 333.00) | –8.610 | <0.001 |
| MCH[pg, M(Q1, Q3)] | 30.40(28.80, 31.50) | 29.80(27.80, 31.40) | –2.978 | 0.003 |
| 单核细胞计数[×109/L, M(Q1, Q3)] | 0.41(0.32, 0.54) | 0.43(0.31, 0.56) | –0.032 | 0.975 |
| 嗜碱性粒细胞计数[×109/L, M(Q1, Q3)] | 0.02(0.01, 0.03) | 0.02(0.01, 0.02) | –0.511 | 0.610 |
| 嗜酸性粒细胞计数[×109/L, M(Q1, Q3)] | 0.05(0.02, 0.08) | 0.05(0.03, 0.09) | –2.374 | 0.018 |
| 氯[mmol/L, M(Q1, Q3)] | 105.50(102.60, 107.33) | 105.00(103.00, 106.70) | –2.109 | 0.035 |
| 淋巴细胞计数[×109/L, M(Q1, Q3)] | 1.56(1.23, 2.02) | 1.54(1.27, 1.88) | –0.798 | 0.425 |
| ALB[g/L, M(Q1, Q3)] | 33.70(29.80, 37.00) | 35.60(33.30, 38.00) | –6.922 | <0.001 |
| GLB[g/L, M(Q1, Q3)] | 26.80(23.70, 30.40) | 28.70(25.00, 32.00) | –4.871 | <0.001 |
| WBC[×109/L, M(Q1, Q3)] | 8.70(7.28, 10.78) | 8.50(7.21, 10.13) | –1.187 | 0.235 |
| DBIL[μmol/L, M(Q1, Q3)] | 1.70(1.30, 2.50) | 2.20(1.70, 2.80) | –6.643 | <0.001 |
| ALP[U/L, M(Q1, Q3)] | 156.00(123.70, 199.60) | 172.00(134.25, 214.30) | –3.190 | 0.001 |
| RBC[×1012/L, M(Q1, Q3)] | 4.04(3.80, 4.43) | 3.96(3.70, 4.24) | –3.625 | <0.001 |
| HCT[%, M(Q1, Q3)] | 36.70(34.00, 39.50) | 35.90(33.50, 38.30) | –2.973 | 0.003 |
| FIB[g/L, M(Q1, Q3)] | 4.09(3.50, 4.76) | 3.78(3.32, 4.44) | –5.039 | <0.001 |
| 肌酐[μmol/L, M(Q1, Q3)] | 54.60(45.40, 64.50) | 46.40(41.30, 52.60) | –10.004 | <0.001 |
| 葡萄糖[mmol/L, M(Q1, Q3)] | 4.62(4.00, 5.40) | 4.40(3.97, 5.01) | –3.127 | 0.002 |
| PDW[%, M(Q1, Q3)] | 16.60(15.70, 17.90) | 16.50(15.90, 17.00) | –2.596 | 0.009 |
| PCT[%, M(Q1, Q3)] | 0.20(0.16, 0.24) | 0.20(0.17, 0.23) | –0.249 | 0.803 |
| PLT[×109/L, M(Q1, Q3)] | 166.00(133.00, 215.00) | 179.00(144.75, 222.00) | –3.082 | 0.002 |
| HB[g/L, M(Q1, Q3)] | 122.00(111.00, 133.00) | 117.00(107.75, 126.00) | –5.391 | <0.001 |
| 钠[mmol/L, M(Q1, Q3)] | 137.90(136.34, 139.00) | 138.20(137.00, 139.80) | –4.160 | <0.001 |
| 钾[mmol/L, M(Q1, Q3)] | 4.10(3.90, 4.31) | 3.90(3.70, 4.10) | –9.410 | <0.001 |
| IBIL[(μmol/L, M(Q1, Q3)] | 5.44(4.20, 7.32) | 6.60(4.90, 8.90) | –5.860 | <0.001 |
| 就诊年龄[岁,M(Q1, Q3)] | 29(25, 33) | 27(24, 30) | –5.094 | <0.001 |
| 收缩压[mmHg, M(Q1, Q3)] | 144(134, 158) | 112(106, 120) | –24.215 | <0.001 |
| 舒张压[mmHg, M(Q1, Q3)] | 95(86, 102) | 71(68, 80) | –23.023 | <0.001 |
| 脉搏[次/min, M(Q1, Q3)] | 86(80, 97) | 80(80, 90) | –6.053 | <0.001 |
| 高血压家族史[例(%)] | 48(16.5) | 56(4.2) | 59.126 | <0.001 |
| 糖尿病家族史[例(%)] | 11(3.8) | 27(2.0) | 3.099 | 0.078 |
| 孕周≥34周[例(%)] | 210(72.2) | 1263(95.8) | 172.476 | <0.001 |
| 是否初产妇[例(%)] | 167(57.4) | 742(56.3) | 0.115 | 0.734 |
), ArticleFig(id=1207700255634722827, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1207433494947533665, language=CN, label=表1, caption=
子痫前期组与非子痫前期组患者的基线资料比较
, figureFileSmall=null, figureFileBig=null, tableContent=
| 临床指标 | 子痫前期组(n=291) | 非子痫前期组(n=1318) | χ2/Z | P |
|---|
| GGT[U/L, M(Q1, Q3)] | 16.00(9.93, 32.00) | 11.20(8.00, 17.10) | –8.117 | <0.001 |
| ALT[U/L, M(Q1, Q3)] | 15.00(10.00, 25.30) | 11.50(8.50, 17.04) | –6.173 | <0.001 |
| 中性粒细胞计数[×109/L, M(Q1, Q3)] | 6.55(5.05, 8.19) | 6.36(5.27, 7.86) | –0.610 | 0.542 |
| PT[s, M(Q1, Q3)] | 10.90(10.30, 11.60) | 10.90(10.50, 11.40) | –0.037 | 0.971 |
| TT[s, M(Q1, Q3)] | 16.20(14.90, 17.60) | 15.30(13.10, 16.60) | –6.854 | <0.001 |
| AST[U/L, M(Q1, Q3)] | 21.70(16.80, 31.00) | 18.10(15.10, 22.60) | –6.856 | <0.001 |
| 尿比重[M(Q1, Q3)] | 1.02(1.02, 1.03) | 1.02(1.02, 1.02) | –6.085 | <0.001 |
| 尿素[mmol/L, M(Q1, Q3)] | 4.14(3.20, 5.11) | 3.20(2.60, 3.93) | –10.776 | <0.001 |
| 尿酸[μmol/L, M(Q1, Q3)] | 419.00(342.00, 482.60) | 316.95(270.80, 370.45) | –14.543 | <0.001 |
| 总胆汁酸[μmol/L, M(Q1, Q3)] | 3.70(2.00, 6.39) | 2.83(1.80, 4.79) | –3.744 | <0.001 |
| TBIL[(μmol/L, M(Q1, Q3)] | 7.30(5.60, 9.60) | 8.80(6.70, 11.60) | –6.221 | <0.001 |
| 总蛋白[g/L, M(Q1, Q3)] | 60.80(55.74, 65.10) | 64.59(59.68, 68.40) | –7.903 | <0.001 |
| MCV[fl, M(Q1, Q3)] | 90.40(87.20, 94.00) | 91.60(86.70, 95.63) | –1.899 | 0.058 |
| MCHC[g/L, M(Q1, Q3)] | 333.00(323.00, 341.00) | 325.00(316.00, 333.00) | –8.610 | <0.001 |
| MCH[pg, M(Q1, Q3)] | 30.40(28.80, 31.50) | 29.80(27.80, 31.40) | –2.978 | 0.003 |
| 单核细胞计数[×109/L, M(Q1, Q3)] | 0.41(0.32, 0.54) | 0.43(0.31, 0.56) | –0.032 | 0.975 |
| 嗜碱性粒细胞计数[×109/L, M(Q1, Q3)] | 0.02(0.01, 0.03) | 0.02(0.01, 0.02) | –0.511 | 0.610 |
| 嗜酸性粒细胞计数[×109/L, M(Q1, Q3)] | 0.05(0.02, 0.08) | 0.05(0.03, 0.09) | –2.374 | 0.018 |
| 氯[mmol/L, M(Q1, Q3)] | 105.50(102.60, 107.33) | 105.00(103.00, 106.70) | –2.109 | 0.035 |
| 淋巴细胞计数[×109/L, M(Q1, Q3)] | 1.56(1.23, 2.02) | 1.54(1.27, 1.88) | –0.798 | 0.425 |
| ALB[g/L, M(Q1, Q3)] | 33.70(29.80, 37.00) | 35.60(33.30, 38.00) | –6.922 | <0.001 |
| GLB[g/L, M(Q1, Q3)] | 26.80(23.70, 30.40) | 28.70(25.00, 32.00) | –4.871 | <0.001 |
| WBC[×109/L, M(Q1, Q3)] | 8.70(7.28, 10.78) | 8.50(7.21, 10.13) | –1.187 | 0.235 |
| DBIL[μmol/L, M(Q1, Q3)] | 1.70(1.30, 2.50) | 2.20(1.70, 2.80) | –6.643 | <0.001 |
| ALP[U/L, M(Q1, Q3)] | 156.00(123.70, 199.60) | 172.00(134.25, 214.30) | –3.190 | 0.001 |
| RBC[×1012/L, M(Q1, Q3)] | 4.04(3.80, 4.43) | 3.96(3.70, 4.24) | –3.625 | <0.001 |
| HCT[%, M(Q1, Q3)] | 36.70(34.00, 39.50) | 35.90(33.50, 38.30) | –2.973 | 0.003 |
| FIB[g/L, M(Q1, Q3)] | 4.09(3.50, 4.76) | 3.78(3.32, 4.44) | –5.039 | <0.001 |
| 肌酐[μmol/L, M(Q1, Q3)] | 54.60(45.40, 64.50) | 46.40(41.30, 52.60) | –10.004 | <0.001 |
| 葡萄糖[mmol/L, M(Q1, Q3)] | 4.62(4.00, 5.40) | 4.40(3.97, 5.01) | –3.127 | 0.002 |
| PDW[%, M(Q1, Q3)] | 16.60(15.70, 17.90) | 16.50(15.90, 17.00) | –2.596 | 0.009 |
| PCT[%, M(Q1, Q3)] | 0.20(0.16, 0.24) | 0.20(0.17, 0.23) | –0.249 | 0.803 |
| PLT[×109/L, M(Q1, Q3)] | 166.00(133.00, 215.00) | 179.00(144.75, 222.00) | –3.082 | 0.002 |
| HB[g/L, M(Q1, Q3)] | 122.00(111.00, 133.00) | 117.00(107.75, 126.00) | –5.391 | <0.001 |
| 钠[mmol/L, M(Q1, Q3)] | 137.90(136.34, 139.00) | 138.20(137.00, 139.80) | –4.160 | <0.001 |
| 钾[mmol/L, M(Q1, Q3)] | 4.10(3.90, 4.31) | 3.90(3.70, 4.10) | –9.410 | <0.001 |
| IBIL[(μmol/L, M(Q1, Q3)] | 5.44(4.20, 7.32) | 6.60(4.90, 8.90) | –5.860 | <0.001 |
| 就诊年龄[岁,M(Q1, Q3)] | 29(25, 33) | 27(24, 30) | –5.094 | <0.001 |
| 收缩压[mmHg, M(Q1, Q3)] | 144(134, 158) | 112(106, 120) | –24.215 | <0.001 |
| 舒张压[mmHg, M(Q1, Q3)] | 95(86, 102) | 71(68, 80) | –23.023 | <0.001 |
| 脉搏[次/min, M(Q1, Q3)] | 86(80, 97) | 80(80, 90) | –6.053 | <0.001 |
| 高血压家族史[例(%)] | 48(16.5) | 56(4.2) | 59.126 | <0.001 |
| 糖尿病家族史[例(%)] | 11(3.8) | 27(2.0) | 3.099 | 0.078 |
| 孕周≥34周[例(%)] | 210(72.2) | 1263(95.8) | 172.476 | <0.001 |
| 是否初产妇[例(%)] | 167(57.4) | 742(56.3) | 0.115 | 0.734 |
), ArticleFig(id=1207700255789912077, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1207433494947533665, language=EN, label=Tab. 2, caption=
Logistic regression analysis of difference index in preeclampsia
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| 变量 | β | SE | OR | 95%CI | P |
|---|
| 尿比重 | 43.036 | 17.973 | 4.899 | 2463.308~9.740 | 0.017 |
| 尿酸 | 0.008 | 0.001 | 1.008 | 1.005~1.011 | <0.001 |
| MCHC | 0.016 | 0.007 | 1.016 | 1.003~1.029 | 0.019 |
| GLB | –0.110 | 0.025 | 0.896 | 0.853~0.941 | <0.001 |
| PDW | 0.116 | 0.044 | 1.123 | 1.03~1.225 | 0.009 |
| 钾 | 1.144 | 0.385 | 3.139 | 1.477~6.67 | 0.003 |
| 就诊年龄 | 0.064 | 0.026 | 1.066 | 1.012~1.123 | 0.016 |
| 高血压家族史 | 0.852 | 0.459 | 2.343 | 1.159~1.218 | 0.063 |
| 收缩压 | 0.172 | 0.013 | 1.188 | 1.159~1.218 | <0.001 |
| 舒张压 | 0.006 | 0.003 | 1.006 | 1.001~1.011 | 0.019 |
| 脉搏 | 0.027 | 0.012 | 1.027 | 1.004~1.051 | 0.021 |
| 孕周≥34周 | –1.738 | 0.441 | 0.176 | 0.074~0.417 | <0.001 |
), ArticleFig(id=1207700256096096271, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1207433494947533665, language=CN, label=表2, caption=
子痫前期差异性指标logistic回归分析
, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | β | SE | OR | 95%CI | P |
|---|
| 尿比重 | 43.036 | 17.973 | 4.899 | 2463.308~9.740 | 0.017 |
| 尿酸 | 0.008 | 0.001 | 1.008 | 1.005~1.011 | <0.001 |
| MCHC | 0.016 | 0.007 | 1.016 | 1.003~1.029 | 0.019 |
| GLB | –0.110 | 0.025 | 0.896 | 0.853~0.941 | <0.001 |
| PDW | 0.116 | 0.044 | 1.123 | 1.03~1.225 | 0.009 |
| 钾 | 1.144 | 0.385 | 3.139 | 1.477~6.67 | 0.003 |
| 就诊年龄 | 0.064 | 0.026 | 1.066 | 1.012~1.123 | 0.016 |
| 高血压家族史 | 0.852 | 0.459 | 2.343 | 1.159~1.218 | 0.063 |
| 收缩压 | 0.172 | 0.013 | 1.188 | 1.159~1.218 | <0.001 |
| 舒张压 | 0.006 | 0.003 | 1.006 | 1.001~1.011 | 0.019 |
| 脉搏 | 0.027 | 0.012 | 1.027 | 1.004~1.051 | 0.021 |
| 孕周≥34周 | –1.738 | 0.441 | 0.176 | 0.074~0.417 | <0.001 |
), ArticleFig(id=1207700256444223505, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1207433494947533665, language=EN, label=Tab. 3, caption=
Consistency test of characteristic variables in training set and test set
, figureFileSmall=null, figureFileBig=null, tableContent=
| 特征变量 | KS值 | P |
|---|
| 尿比重 | 0.032 | 0.871 |
| 尿酸 | 0.033 | 0.862 |
| MCHC | 0.056 | 0.225 |
| GLB | 0.044 | 0.510 |
| PDW | 0.029 | 0.932 |
| 钾 | 0.023 | 0.992 |
| 就诊年龄 | 0.029 | 0.936 |
| 高血压家族史 | 0.007 | 1.000 |
| 收缩压 | 0.052 | 0.318 |
| 舒张压 | 0.026 | 0.972 |
| 脉搏 | 0.026 | 0.977 |
| 孕周≥34周 | 0.008 | 1.000 |
), ArticleFig(id=1207700256544886803, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1207433494947533665, language=CN, label=表3, caption=
特征变量在训练集和测试集中的一致性检验
, figureFileSmall=null, figureFileBig=null, tableContent=
| 特征变量 | KS值 | P |
|---|
| 尿比重 | 0.032 | 0.871 |
| 尿酸 | 0.033 | 0.862 |
| MCHC | 0.056 | 0.225 |
| GLB | 0.044 | 0.510 |
| PDW | 0.029 | 0.932 |
| 钾 | 0.023 | 0.992 |
| 就诊年龄 | 0.029 | 0.936 |
| 高血压家族史 | 0.007 | 1.000 |
| 收缩压 | 0.052 | 0.318 |
| 舒张压 | 0.026 | 0.972 |
| 脉搏 | 0.026 | 0.977 |
| 孕周≥34周 | 0.008 | 1.000 |
), ArticleFig(id=1207700256813322260, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1207433494947533665, language=EN, label=Tab. 4, caption=
Performance evaluation of logistic regression model and LightGBM model
, figureFileSmall=null, figureFileBig=null, tableContent=
| 模型 | 真阳性(例) | 真阴性(例) | 假阳性(例) | 假阴性(例) | 敏感度(%) | 特异度(%) | 准确度(%) | AUC |
|---|
| Logistic回归模型 | 59 | 381 | 16 | 27 | 68.6 | 96.0 | 78.7 | 0.936 |
| LightGBM模型 | 73 | 368 | 29 | 13 | 84.9 | 92.7 | 71.6 | 0.964 |
), ArticleFig(id=1207700257413107734, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1207433494947533665, language=CN, label=表4, caption=
Logistic回归模型与LightGBM模型的效能评价
, figureFileSmall=null, figureFileBig=null, tableContent=
| 模型 | 真阳性(例) | 真阴性(例) | 假阳性(例) | 假阴性(例) | 敏感度(%) | 特异度(%) | 准确度(%) | AUC |
|---|
| Logistic回归模型 | 59 | 381 | 16 | 27 | 68.6 | 96.0 | 78.7 | 0.936 |
| LightGBM模型 | 73 | 368 | 29 | 13 | 84.9 | 92.7 | 71.6 | 0.964 |
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