Table 1 Demographic and clinical characteristics
Pleural effusion group (n = 40) | Non-pleural effusion group (n = 40) | P Value | |
|---|---|---|---|
Gender, (men/women, n[%])c | 25(62.5)/15(37.5) | 23(57.5)/17(42.5) | 0.648 |
ASA physical status, (II/III, n[%])c | 29(72.5)/11(27.5) | 34(85%)/6(15%) | 0.172 |
Preoperative diagnosis, n(%)c | 0.073 | ||
Cancer | 17(42.5) | 25(57.5) | |
Rib fracture | 23(57.5) | 15(37.5) | |
Age(y), median (IQR)b | 47(31.5, 57.75) | 55.5(36, 65) | 0.087 |
Height(cm), mean (± SD)a | 168.1 ± 8.4 | 166.8 ± 9.8 | 0.535 |
Weight(kg), mean (± SD)a | 69.2 ± 14.0 | 66.5 ± 13.1 | 0.361 |
Distance between visceral pleura and parietal pleura in ultrasound image (cm), mean (± SD) | 2.57 ± 1.35 | - | - |