Table 1. Baseline Demographic and Clinical Characteristics (n=391).
| Characteristic | N (%) |
|---|---|
| Sex - male | 235 (60.1) |
| Age, years (median [min-max]) | 64.1 [23.7-98.7] |
| Self-reported ethnicity | |
| Non-White | 185 (47.3) |
| White | 164 (41.9) |
| Asian | 1 (0.3) |
| Unknown | 41 (10.5) |
| Health services funding | |
| Public (government) | 313 (80.1) |
| Health insurance/private | 78 (19.9) |
| Smoking status | |
| Former or current | 290 (74.2) |
| Never | 63 (16.1) |
| Unknown | 38 (9.7) |
| Histological type | |
| Adenocarcinoma | 269 (68.8) |
| Squamous cell carcinoma | 87 (22.3) |
| Large cell carcinoma | 11 (2.8) |
| Mixed | 2 (0.5) |
| Unknown | 22 (5.6) |
| Stage | |
| IIIb | 69 (17.6) |
| IV | 322 (82.4) |
| Metastasis site† (n=322) | |
| Bones | 113 (35.1) |
| Pleura | 104 (32.3) |
| Brain | 87 (27.0) |
| Lymph nodes | 73 (22.7) |
| Adrenal glands | 47 (14.6) |
| Liver | 40 (12.4) |
| ECOG Performance Status | |
| 0 | 15 (3.8) |
| 1 | 164 (41.9) |
| 2 | 69 (17.6) |
| 3 | 47 (12.0) |
| 4 | 9 (2.3) |
| Unknown | 87 (22.3) |
†
Pulmonary metastasis was not captured in this study; ECOG, Eastern Cooperative Oncology Group.