Table 1.
Baseline characteristics.
| Characteristic | N = 240 |
|---|---|
| Gender, n (%) | |
| Male | 101 (42.1) |
| Female | 139 (57.9) |
| Age, years, mean ± SD | 49.83 ± 13.23 |
| BMI, kg/m2, mean ± SD | 23.13 ± 3.20 |
| Symptoms, n (%) | |
| Infection | 167 (69.6) |
| Hemoptysis | 145 (60.4) |
| Others | 15 (6.3) |
| Duration of disease, months, median (range) | 48 (5–120) |
| Comorbidities, n (%) | |
| Hypertension | 43 (18.0) |
| Tuberculosis | 29 (12.1) |
| Diabetes | 21 (8.8) |
| Smoking | 50 (20.8) |
| Drinking | 28 (11.7) |
| CHD | 7 (2.9) |
| Preoperative laboratory tests, mean ±SD | |
| WBC, × 109/L | 6.62 ± 2.76 |
| Neutrophils, × 109/L | 4.18 ± 2.60 |
| Total lymphocytes, × 109/L | 1.87 ± 0.62 |
| RBC, × 109/L | 4.32 ± 0.60 |
| Platelets, × 109/L | 240.33 ± 63.97 |
| Hb, g/L | 129.17 ± 19.09 |
| Albumin, g/L | 40.24 ± 5.21 |
| Cholesterol, mmol/L | 4.11 ± 0.85 |
| FEV1,L, mean ± SD | 2.32 ± 0.74 |
| Surgical approach, n (%) | |
| VATS | 169 (70.4) |
| Open | 71 (29.6) |
| Extent of resection, n (%) | |
| Pneumonectomy | 15 (6.3) |
| Lobe | 155 (64.6) |
| Lobe + Seg/Wed | 55 (22.9) |
| Seg/Wed | 15 (6.3) |
| Operation time, min, mean ± SD | 153.10 ± 63.31 |
| Blood loss, ml, median (range) | 100 (85–200) |
| LOS, days, median (range) | 11 (9–14) |
| LOS before surgery, days, median (range) | 5 (3–7) |
| LOS after surgery, days, median (range) | 6 (4–8) |
| Drainage duration, days, median (range) | 4 (3–7) |
| Postoperative complication, n (%) | 59 (24.6) |
BMI, body mass index; CHD, coronary heart disease; WBC, white blood cells; RBC, red blood cells; Hb, hemoglobin; FEV1, forced expiratory volume in 1 s; VATS, video-assisted thoracoscopic surgery; Lobe, lobectomy; Seg/Wed, segmentectomy/wedge resection; LOS, length of hospital stay.