Table 1. Baseline characteristics of the NSCLC patients.
| Characteristic | Study group (408) | Control group (1,465) | P-value |
|---|---|---|---|
| Age | <0.001 | ||
| <60 years | 275 (67.4) | 724 (49.4) | |
| ≥60 years | 133 (32.6) | 741 (50.6) | |
| Gender | 0.002 | ||
| Male | 315 (77.2) | 1,015 (69.3) | |
| Female | 93 (22.8) | 450 (30.7) | |
| T category | 0.705 | ||
| T1 | 52 (12.7) | 173 (11.8) | |
| T2 | 155 (38.0) | 533 (36.4) | |
| T3 | 76 (18.6) | 309 (21.1) | |
| T4 | 125 (30.6) | 450 (30.7) | |
| N category | 0.370 | ||
| N0 | 105 (25.7) | 377 (25.7) | |
| N1 | 45 (11.0) | 145 (9.9) | |
| N2 | 150 (36.8) | 601 (41.0) | |
| N3 | 108 (26.5) | 342 (23.3) | |
| Pathological type | 0.298 | ||
| Squamous | 133 (32.6) | 519 (35.4) | |
| Non-squamous | 275 (67.4) | 946 (64.6) | |
| ALT or AST level | <0.001 | ||
| <40 U/L | 351 (86.0) | 1,350 (92.2) | |
| ≥40 U/L | 57 (14.0) | 115 (7.8) | |
| Hepatitis virus | 0.039 | ||
| Present | 37 (9.1) | 188 (12.8) | |
| Absent | 371 (90.9) | 1,277 (87.2) | |
| Diabetes mellitus | 0.015 | ||
| Yes | 45 (11.0) | 107 (7.3) | |
| No | 363 (89.0) | 1,358 (92.7) | |
| BMI | <0.001 | ||
| <25 kg/m2 | 240 (58.8) | 1,183 (80.8) | |
| ≥25 kg/m2 | 168 (41.2) | 282 (19.2) | |
| Surgery | 0.235 | ||
| Yes | 157 (38.5) | 517 (35.3) | |
| No | 251 (61.5) | 948 (64.7) | |
| Chemotherapy | 0.654 | ||
| Yes | 372 (91.2) | 1,325 (90.4) | |
| No | 36 (8.8) | 140 (9.6) | |
| Radiotherapy | 0.360 | ||
| Yes | 96 (23.5) | 328 (22.4) | |
| No | 312 (76.5) | 1,137 (77.6) | |
Note:
ALT, alanine aminotransferase; AST, aspartate aminotransferase; BMI, body mass index.