Table I.
Baseline characteristics of the patients.
| Variable | EL (n=121) | EP (n=111) | P-value |
|---|---|---|---|
| Age | |||
| Mean ± standard deviation, years | 56.3±8.0 | 56.4±8.4 | 0.952 |
| ≥65 years, n (%) | 19 (15.7) | 18 (16.2) | 0.481 |
| Sex, n (%) | 0.878 | ||
| Male | 93 (76.9) | 84 (75.7) | |
| Female | 28 (23.1) | 27 (24.3) | |
| ECOG, n (%) | 0.251 | ||
| 0 | 13 (10.7) | 7 (6.3) | |
| 1 | 108 (89.3) | 104 (93.7) | |
| Affected lung, n (%) | 0.429 | ||
| Left | 52 (43.0) | 54 (48.6) | |
| Right | 68 (56.2) | 57 (51.4) | |
| Both | 1 (0.8) | 0 (0.0) | |
| History of smoking, n (%) | 0.460 | ||
| Non-smokers | 35 (28.9) | 27 (24.3) | |
| Smokers | 86 (71.1) | 84 (75.7) | |
| TNM stage, n (%) | 0.318 | ||
| IIIB | 3 (2.5) | 6 (5.4) | |
| IV | 118 (97.5) | 105 (94.6) | |
| Liver/brain metastasis, n (%) | 0.791 | ||
| With | 49 (40.5) | 47 (42.3) | |
| Without | 72 (59.5) | 64 (57.7) | |
| Bone metastasis, n (%) | 0.236 | ||
| With | 27 (22.3) | 32 (28.8) | |
| Without | 94 (77.7) | 79 (71.2) | |
| History of malignant tumor, n (%) | 0.248 | ||
| No | 118 (97.5) | 111 (100.0) | |
| Yes | 3 (2.5) | 0 (0.0) | |
| Other major health problems, n (%) | 0.674 | ||
| No | 84 (69.4) | 74 (66.7) | |
| Yes | 37 (30.6) | 37 (33.3) |
ECOG, Eastern Cooperative Oncology Group; EL, lobaplatin plus etoposide; EP, cisplatin plus etoposide; TNM, Tumor-Node-Metastasis (30).