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To provide reference for controlling or delaying the decline of pulmonary ventilation function in male pneumoconiosis patients by studying associations of serum albumin levels with the risk of severe or very severe pulmonary ventilation dysfunction in male pneumoconiosis patients.
A retrospective cohort design was adopted in this study. Male pneumoconiosis patients who were hospitalized in West China Fourth Hospital from January 2012 to December 2021 and did not have pulmonary ventilation dysfunction at baseline were selected as the study objects. Cox proportional hazard regression models were used to calculate HRs and 95% CIs to evaluate the association of baseline serum albumin levels and the risk of severe or very severe pulmonary ventilation dysfunction. Restricted cubic spline plot was used to explore whether there was a dose-response relationship between baseline serum albumin concentrations and the risk of severe or very severe pulmonary ventilation dysfunction.
A total of 746 subjects were included in this study. Fully adjusted model results of Cox proportional hazard regression analysis showed that male pneumoconiosis patients with serum albumin higher than 40.8 g/L had a reduced risk of severe or very severe pulmonary ventilation dysfunction compared with male pneumoconiosis patients with serum albumin lower than 34.4g/L (HR=0.660, 95%CI: 0.439-0.992). The restricted cubic spline figure showed that the risk of severe or very severe pulmonary ventilation dysfunction in male pneumoconiosis patients gradually decreased with the gradual increase of serum albumin concentrations and there was a linear negative relationship between baseline serum albumin concentrations and the incidence risk of severe or very severe pulmonary ventilation dysfunction in male pneumoconiosis patients (P<0.05).
Higher serum albumin is a protective factor for severe or very severe pulmonary ventilation dysfunction in male pneumoconiosis patients and maintaining the serum albumin concentrations above 40.8 g/L can reduce the risk of severe or very severe pulmonary ventilation dysfunction.
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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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