Table 1.
Clinical characteristics of patients who underwent wedge resection, segmentectomy, or lobectomy
| Characteristic | Wedge resection (n=40) | Segmentectomy (n=22) | Lobectomy (n=66) | p-value |
|---|---|---|---|---|
| Age (yr) | 60.4±7.7 | 57.5±7.9 | 59.4±7.9 | 0.109 |
| Sex (male:female) | 23:17 | 9:13 | 29:37 | 0.489 |
| Smoking | 17 (42.5) | 6 (27.3) | 24 (36.4) | 0.491 |
| Preoperative forced expiratory volume in 1 second (%) | 91.3±12.7 | 87.6±12.3 | 92.7±13.6 | 0.246 |
| Ground glass opacity characteristics | 0.814 | |||
| Pure | 38 (95.0) | 18 (81.8) | 57 (86.4) | |
| Partially solid | 2 (5.0) | 4 (18.2) | 9 (13.6) | |
| Consolidation to tumor ratio (%) | 1.91±5.8 | 1.14±3.7 | 2.4±6.4 | 0.695 |
Values are presented as mean±standard deviation for continuous variables and number (%) for categorical variables.