Table 1 Demographic and clinical characteristics of the participants
| Â | Before matching | Â | Â | Â | After matching | Â | Â | Â |
|---|---|---|---|---|---|---|---|---|
|  | All patients (n = 349) | Wedge resection (n = 61) | Segmentectomy (n = 286) | p value | All patients (n = 98) | Wedge resection (n = 49) | Segmentectomy (n = 49) | p value |
Age (years), median (IQR) | 49.50 (39.00–58.00) | 50.50(38.50-58.25) | 49.00(39.00–58.00) | 0.723 | 51.00 (39.00–58.00) | 50.00 (39.00–58.00) | 52.00 (39.50–58.50) | 0.619 |
Sex, n (%) | Â | Â | Â | 0.999 | Â | Â | Â | 0.258 |
 Male | 91 (26.2) | 16 (26.2) | 75(26.2) |  | 27 (27.6) | 11 (22.4) | 16 (32.7) |  |
 Female | 256 (73.8) | 45 (73.8) | 211(73.8) |  | 71 (72.4) | 38 (77.6) | 33 (67.3) |  |
Educational level, n (%) | Â | Â | Â | 0.776 | Â | Â | Â | 0.311 |
 ≤High school | 165 (47.6) | 28 (45.9) | 137 (47.9) |  | 45 (45.9) | 20 (40.8) | 25 (51.0) |  |
 >High school | 182 (52.4) | 33 (54.1) | 149 (52.1) |  | 53 (54.1) | 29 (59.2) | 24 (49.0) |  |
BMI (kg/m2),median (IQR) | 21.88 (20.36–24.23) | 21.27 (20.01–23.17) | 22.03 (20.44–24.33) | 0.136 | 21.35 (20.02–23.05) | 21.23 (19.99–22.75) | 21.72 (20.01–23.24) | 0.464 |
Smoking status, n (%) | Â | Â | Â | 0.699 | Â | Â | Â | 0.524 |
 Never | 293 (84.9) | 54 (88.5) | 239 (84.2) |  | 87 (88.8) | 45 (91.8) | 42 (85.7) |  |
 Current | 39 (11.3) | 6 (9.8) | 33 (11.6) |  | 10 (10.2) | 4 (8.2) | 6 (12.2) |  |
 Former | 13 (3.8) | 1 (1.6) | 12 (4.2) |  | 1 (1.0) | 0 (0.0) | 1 (2.0) |  |
ASA-PS classification, n (%) | Â | Â | Â | 1.000 | Â | Â | Â | 1.000 |
 1 | 327 (94.8) | 58 (95.1) | 269 (94.7) |  | 93 (94.9) | 46 (93.9) | 47 (95.9) |  |
 >1 | 18 (5.2) | 3 (4.9) | 15 (5.3) |  | 5 (5.1) | 3 (6.1) | 2 (4.1) |  |
Comorbidity, n (%) | Â | Â | Â | 1.000 | Â | Â | Â | 0.610 |
 No | 324 (93.9) | 57 (93.4) | 267 (94.0) |  | 94 (95.9) | 46 (93.9) | 48 (98.0) |  |
 Yes | 21 (6.1) | 4 (6.6) | 17 (6.0) |  | 4 (4.1) | 3 (6.1) | 1 (2.0) |  |
FEV1%, median (IQR), % | 94.80 (85.50-104.80) | 91.05 (85.35-102.25) | 95.15 (85.50-105.18) | 0.407 | 94.40 (86.75-105.76) | 92.50 (87.55-102.45) | 95.80 (86.05–109.10) | 0.893 |
DLCOSB%, median (IQR), % | 92.70 (84.43–104.00) | 91.30 (77.85-101.95) | 93.45 (84.80-104.45) | 0.342 | 92.35 (84.13-100.85) | 91.40 (82.45–100.50) | 93.90 (86.45–101.20) | 0.412 |