Table I.
Selected characteristics of NSCLC patient population (N = 598)
| Characteristic | Alive | Dead | P-value |
| Age, mean (SD), years | 59.6 (10.02) | 59.7 (10.63) | 0.88 |
| Gender, n (%) | |||
| Male | 61 (43.0) | 262 (57.5) | 0.002 |
| Female | 81 (57.0) | 194 (42.5) | |
| Ethnicity, n (%) | |||
| Caucasian | 112 (78.9) | 358 (78.5) | 0.94 |
| African-American | 23 (16.2) | 72 (15.8) | |
| Others | 7 (4.9) | 26 (5.7) | |
| Smoking status, n (%) | |||
| Never | 28 (19.7) | 84 (18.4) | 0.86 |
| Former | 59 (41.5) | 184 (40.4) | |
| Current | 55 (38.7) | 188 (41.2) | |
| Stage (TNM), n (%) | |||
| IIIA | 25 (17.6) | 57 (12.5) | 0.004 |
| IIIB (dry) | 42 (29.6) | 100 (21.9) | |
| IIIB (wet) | 14 (9.9) | 25 (5.5) | |
| IV | 61 (43.0) | 274 (60.1) | |
| PS, n (%) | |||
| 0 | 47 (34.8) | 96 (23.1) | 0.002 |
| 1 | 80 (59.3) | 254 (61.1) | |
| 2–4 | 8 (5.9) | 66 (15.9) | |
| Weight loss, n (%) | |||
| Weight gain or stable | 77 (61.1) | 218 (54.5) | 0.39 |
| 1–5% | 14 (11.1) | 66 (16.5) | |
| 5–10% | 22 (17.5) | 66 (16.5) | |
| >10% | 13 (10.3) | 50 (12.5) | |
| Histology grade, n (%) | |||
| Well differentiated | 4 (4.7) | 23 (7.6) | 0.48 |
| Moderate differentiated | 16 (18.8) | 45 (14.9) | |
| Poorly differentiated | 65 (76.5) | 234 (77.5) | |