Table 1. Characteristics of the patients.
Variable | Segmentectomy (n=173) | Wedge resection (n=181) | P value |
---|---|---|---|
Age (years, mean ± SD) | 57.2±8.9 | 62.6±10.2 | 0.01 |
Sex (male/female) | 65/108 | 70/111 | 0.61 |
Comorbidity | 52 (30.1%) | 70 (38.7%) | 0.31 |
COPD | 9 | 11 | |
Hypertension | 15 | 21 | |
Diabetes mellitus | 16 | 18 | |
Stroke | 3 | 9 | |
Coronary artery disease | 8 | 8 | |
Renal dysfunction | 1 | 3 | |
Noguchi type | 0.11 | ||
A, B | 77 (44.5%) | 88 (48.6%) | |
C, D, E | 96 (55.5%) | 93 (51.4%) | |
Tumor type | 0.32 | ||
GGO type | 102 (59.0%) | 99 (54.7%) | |
Solid type | 71 (41.0%) | 82 (45.3%) | |
Tumor size (cm, mean ± SD) | 1.3±0.5 | 1.2±0.5 | 0.21 |
Tumor location | 0.77 | ||
Left upper lobe | 49 | 51 | |
Left lower lobe | 44 | 44 | |
Right upper lobe | 33 | 35 | |
Right middle, lower lobe | 47 | 51 |
COPD, chronic obstructive pulmonary disease; GGO, Ground glass opacity.