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Objective To analyze the duplicate reporting of hepatitis B in Guangxi from 2014 to 2023, providing data to support future research. Methods Duplicate cases of hepatitis B in Guangxi from 2014 to 2023 were identified by matching combinations of rules, including identity card number, name, sex, date of birth, contact number, and current address of patient. The duplicate reporting rates were calculated. Results A total of 499 965 hepatitis B cases were reported in Guangxi from 2014 to 2023, in which 46 439 cases were reported in duplicate, and the duplicate reporting rate was 9.29%. There was an upward trend in the duplicate reporting rate over the years (χ2trend=6 156.939, P<0.001). The within-year duplicate reporting rate was 1.58%, and the cross-year duplicate reporting rate was 7.70%. The within-year duplicate reporting rate showed an increasing trend (χ2trend=7.320, P=0.007). The duplicate reporting rate of each city ranged from 4.25% to 12.08% (χ2=3 284.620, P<0.001). The duplicate reporting rate increased with age group (χ2trend=675.314, P<0.001). The duplicate reporting rate of hospitals of different levels ranged from 4.69% to 19.13% (χ2=24 388.260, P<0.001), with the highest duplicate reporting rate observed in secondary-level hospitals. After excluding duplicated records, the average annual reported incidence rate of hepatitis B in Guangxi from 2014 to 2023 was 92.60 per 100 000 population. Conclusion The report incidence rate of hepatitis B is overestimated because of the duplicate reporting. A cross-year and cross-area duplicate reporting checking system should be established to reduce the duplicate reporting, and improve the surveillance quality for hepatitis B.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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