Table 2. Characteristics classified by ÄALB cutoff value.
| Variables | ÄALB <14.97% (n=357) | ÄALB ≥14.97% (n=176) | P |
|---|---|---|---|
| Age (years), mean ± SD | 62.53±8.47 | 59.80±8.72 | 0.001 |
| Gender (female), n (%) | 161 (45.1) | 64 (36.4) | 0.062 |
| BMI (kg/m2), mean ± SD | 22.95±2.86 | 24.09±3.12 | <0.001 |
| Smoking history, n (%) | 180 (50.4) | 90 (51.1) | 0.927 |
| ASA score, n (%) | 0.393 | ||
| 2 | 290 (81.2) | 139 (79.0) | |
| 3 | 61 (17.1) | 36 (20.5) | |
| 4 | 6 (1.7) | 1 (0.6) | |
| Perioperative morbidity, n (%) | |||
| COPD | 83 (23.2) | 41 (23.3) | 1.000 |
| Hypertension | 94 (26.3) | 42 (23.9) | 0.598 |
| Diabetes | 35 (9.8) | 19 (10.8) | 0.761 |
| CHD | 21 (5.9) | 7 (4) | 0.414 |
| Previous malignancy | 33 (9.2) | 10 (5.7) | 0.178 |
| Pulmonary function (L), mean ± SD | |||
| FEV1 | 2.52±2.54 | 2.26±0.63 | 0.178 |
| TNM stage, n (%) | 0.011 | ||
| I | 247 (69.2) | 132 (75.0) | |
| II | 66 (18.5) | 15 (8.5) | |
| III | 39 (10.9) | 23 (13.1) | |
| IV | 5 (1.4) | 6 (3.4) | |
| Extent of resection, n (%) | 0.09 | ||
| Lobectomy | 276 (77.3) | 124 (70.5) | |
| Segmentectomy | 81 (22.7) | 52 (29.5) | |
| Pathology, n (%) | 0.184 | ||
| Adenocarcinoma | 244 (68.3) | 134 (76.1) | |
| SCC | 78 (21.8) | 29 (16.5) | |
| Others | 35 (9.8) | 13 (7.4) |
BMI, body mass index; ASA, American Society of Anesthesiologists; COPD, chronic obstructive pulmonary disease; CHD, coronary heart disease; FEV1, forced expiratory volume in 1 second; SCC, squamous cell carcinoma.