Table 1 Demographic and clinical characteristics of 538 NSCLC patients
Variables | NSCLC Patients n (%) | Deaths n = 328 | MST (months) | Log-rank P | Crude HR (95% CI) |
|---|---|---|---|---|---|
Age | |||||
 ≤65 | 253 (0.47) | 178 | 29.9 | --- | 1.00 (Reference) |
 >65 | 285 (0.53) | 228 | 16.4 | <0.001 | 1.54 (1.27–1.88) |
Sex | |||||
 Male | 450 (0.84) | 345 | 20.7 | --- | 1.00 (Reference) |
 Female | 88 (0.16) | 61 | 28.9 | 0.042 | 0.75 (0.57–0.99) |
Smoking | |||||
 Never | 93 (0.17) | 65 | 30.5 | --- | 1.00 (Reference) |
 Ever | 445 (0.83) | 341 | 21.1 | 0.11 | 1.24 (0.95–1.61) |
Histology | |||||
Adenocarcinoma | 237 (0.44) | 165 | 24.5 | --- | 1.00 (Reference) |
 Squamous cell carcinoma | 188 (0.35) | 143 | 28.1 | 0.81 | 1.03 (0.82–1.29) |
 Others | 113 (0.21) | 98 | 13.3 | <0.01 | 1.74 (1.35–2.23) |
Clinical Stage | |||||
 Early | 140 (0.26) | 78 | 57.6 | --- | 1.00 (Reference) |
 Advanced | 398 (0.74) | 328 | 17.9 | <0.001 | 2.43 (1.89–3.12) |
Surgery | |||||
 No | 334 (0.62) | 281 | 17.6 | --- | 1.00 (Reference) |
 Yes | 204 (0.38) | 125 | 36.1 | <0.01 | 0.53 (0.43–0.65) |
Chemotherapy | |||||
 No | 126 (0.23) | 95 | 20.1 | --- | 1.00 (Reference) |
 Yes | 412 (0.77) | 311 | 23.7 | 0.24 | 0.87 (0.69–1.1) |
Radiotherapy | |||||
 No | 291 (0.54) | 208 | 22.9 | --- | 1.00 (Reference) |
 Yes | 247 (0.46) | 198 | 21.5 | 0.24 | 1.08 (0.89–1.31) |