Table I.
Comparison of the demographic and clinical characteristics of patients with extensive-stage small-cell lung cancer in the ChT/TRT and ChT groups.
| Characteristic | Total | ChT/TRT group (%) | ChT group (%) | P-value |
|---|---|---|---|---|
| Gender, n | 0.836 | |||
| Male | 138 | 68 (82.9) | 70 (84.3) | |
| Female | 27 | 14 (17.1) | 13 (15.7) | |
| Age | 0.339 | |||
| Range, years | 26–87 | 26–83 | 36–87 | |
| Median, years | 59 | 55 | 64 | |
| <60 years, n | 79 | 54 (65.9) | 25 (30.1) | |
| ≥60 years, n | 86 | 28 (34.1) | 58 (69.9) | |
| KPS score, n | 0.704 | |||
| ≥80 | 131 | 64 (78) | 67 (80.7) | |
| <80 | 34 | 18 (22) | 16 (19.3) | |
| Smoking status, n | 0.522 | |||
| Yes | 102 | 53 (64.6) | 49 (59) | |
| No | 63 | 29 (35.4) | 34 (41) | |
| No. of ChT cycles | 0.355 | |||
| <4 | 20 | 8 (9.8) | 12 (14.5) | |
| ≥4 | 145 | 74 (90.2) | 71 (85.5) | |
| No. of metastatic organs | 0.005 | |||
| 1 | 111 | 64 | 47 | |
| ≥2 | 54 | 18 | 36 |
ChT/TRT, chemotherapy combined with thoracic radiotherapy; ChT, chemotherapy; KPS, Karnofsky performance status