Table I.
Baseline influencing factors before and after PSM.
| Before PSM | After PSM | |||||
|---|---|---|---|---|---|---|
| Characteristic | AAV (n=177) | Control (n=216) | P-value | AAV (n=154) | Control (n=154) | P-value |
| Sex (%) | 0.924 | 0.483 | ||||
| Male | 68 (38.4) | 84 (38.9) | 63 (40.9) | 57 (37.0) | ||
| Female | 109 (61.6) | 132 (61.1) | 91 (59.1) | 97 (63.0) | ||
| Ethnicity (%) | 0.099 | 0.611 | ||||
| Zhuang | 62 (35.0) | 58 (26.9) | 45 (29.2) | 41 (26.6) | ||
| Han | 115 (65.0) | 158 (73.1) | 109 (70.8) | 113 (73.4) | ||
| Median age (IQR), years | 58.0 (43.0-64.0) | 51.0 (44.0-59.0) | 0.005 | 56.0 (42.0-63.0) | 53.0 (45.8-61.0) | 0.445 |
PSM, propensity score matching; AAV, antineutrophil cytoplasmic autoantibody-associated vasculitis.