Table 2.
Comparison of patient and tumor characteristics between various subgroups of lung cancer patients, P-L, L and L-P.
| Covariate | Level | P-L N = 11,061 |
L-P N = 3017 |
L N = 353,672 |
Parametric p-Value * |
|---|---|---|---|---|---|
| Age at Diagnosis of Lung Cancer | <65 years | 571 (5.16) | 817 (27.08) | 55,459 (15.68) | <0.001 |
| ≥65 years | 10,490 (94.84) | 2200 (72.92) | 298,213 (84.32) | ||
| Age at Diagnosis of Prostate Cancer | <65 years | 1971 (17.82) | 437 (14.48) | <0.001 | |
| ≥65 years | 9090 (82.18) | 2580 (85.52) | |||
| Race | White | 8879 (80.78) | 2380 (79.31) | 296,084 (84.34) | <0.001 |
| Black | 1502 (13.67) | 461 (15.36) | 31,919 (9.09) | ||
| Other | 241 (2.19) | 76 (2.53) | 11,715 (3.34) | ||
| Asian | 242 (2.2) | 60 (2) | 7943 (2.26) | ||
| Hispanic | 127 (1.16) | 24 (0.8) | 3389 (0.97) | ||
| Histologic Subtypes of Lung Cancer | NSCLC | 8582 (77.6) | 2656 (88.0) | 263,758 (74.6) | |
| SCLC | 250 (2.3) | 36 (1.2) | 11,821 (3.3) | ||
| Carcinoma In Situ and Other Histologies |
2229 (20.2) | 325 (10.8) | 78,093 (22.1) | ||
| Distribution by Stage of Lung Cancer at Diagnosis | I | 1382 (19.8) | 824 (54.1) | ||
| II | 199 (2.9) | 99 (6.5) | |||
| III | 2386 (34.2) | 323 (21.2) | |||
| IV | 3009 (43.1) | 277 (18.2) |
L: Lung Cancer without Prostate Cancer; L-P: Lung Cancer followed by Prostate Cancer; P-L: Prostate Cancer followed by Lung Cancer; NSCLC: Non-Small Cell Lung Cancer; SCLC: Small Cell Lung Cancer. * p < 0.001