From: Longitudinal changes in pulmonary function and patient-reported outcomes after lung cancer surgery
 |  | Type of surgery | P-value | ||
---|---|---|---|---|---|
 | Overall (N = 620) | Wedge resection/segmentectomy | Lobectomy | Bilobectomy/pneumonectomy | |
Characteristic |  | (n = 120, 19.4%) | (n = 477, 76.9%) | (n = 23, 3.7%) | |
Age, years | 61.2 (9.0) | 59.6 (9.2) | 61.5 (9.0) | 63.2 (7.8) | 0.07 |
Sex, male | 350 (56.5) | 63 (52.5) | 268 (56.2) | 19 (82.6) | 0.03 |
Body mass index, kg/m2 | 24.0 ± 2.9 |  |  |  |  |
Smoking status, ever smoker | 319 (51.5) | 54 (45.0) | 247 (51.8) | 18 (78.3) | 0.01 |
Comorbidities | Â | Â | Â | Â | Â |
 COPDa | 140 (22.8) | 26 (21.7) | 106 (22.2) | 8 (34.8) | 0.22 |
 Hypertension | 211 (34.0) | 31 (25.8) | 170 (35.6) | 10 (43.5) | 0.08 |
 Diabetes mellitus | 92 (14.8) | 14 (11.7) | 73 (15.3) | 5 (21.7) | 0.39 |
 Cardiovascular disease | 16 (2.6) | 4 (3.3) | 12 (2.5) | 0 | 0.64 |
Cell type |  |  |  |  |  < 0.01 |
 Adenocarcinoma | 513 (82.7) | 111 (92.5) | 394 (82.6) | 8 (34.8) |  |
 Squamous cell | 87 (14.0) | 6 (5.0) | 67 (14.1) | 14 (60.9) |  |
 Others | 20 (3.2) | 3 (2.5) | 16 (3.4) | 1 (4.4) |  |
 Tumor size, cm | 2.7 (1.5) | 1.7 (0.7) | 2.9 (1.5) | 4.1 (1.9) |  < 0.01 |
Pathologic stage |  |  |  |  |  < 0.01 |
 I | 451 (72.7) | 116 (96.7) | 330 (69.2) | 5 (21.7) |  |
 II | 96 (15.5) | 2 (1.7) | 83 (17.4) | 11 (47.8) |  |
 III | 70 (3.0) | 2 (1.7) | 62 (13.0) | 6 (26.1) |  |
 IV | 3 (3.2) | 0 | 2 (0.4) | 1 (4.4) |  |
Surgical approach (VATS, %) | 490 (79.0) | 112 (93.3) | 373 (78.2) | 5 (21.7) |  < 0.01 |
PPC, yes | 49 (7.9) | 10 (8.3) | 36 (7.6) | 3 (13.0) | 0.62 |
Adjuvant treatment, yes | 149 (24.0) | 3 (2.5) | 131 (27.5) | 15 (65.2) |  < 0.01 |