Table 1.
Demographic and tumor characteristics of lung cancer patients diagnosed during 1990–2003, ACTUR.
| Characteristic | Small Cell Lung Cancer | Adenocarcinoma | Squamous Cell Carcinoma | Large Cell Carcinoma | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| White n=1,710 | Black n=124 | P-value^ | White n=3,443 | Black n=433 | P-value^ | White n=2,467 | Black n=274 | P-value^ | White n=1,534 | Black n=196 | P-value^ | |
| Age (years)* | No. of patients (%) | No. of patients (%) | No. of patients (%) | 43 | ||||||||
| 20–44 | 30 (1.7) | 7 (5.7) | 142 (4.1) | 35 (8.1) | 34 (1.4) | 7 (2.5) | 55 (3.6) | 17 (8.7) | ||||
| 45–54 | 205 (12.0) | 18 (14.5) | 399 (11.6) | 95 (21.9) | 198 (8.0) | 35 (12.8) | 194 (12.6) | 38 (19.4) | ||||
| 55–64 | 673 (39.4) | 53 (42.7) | 1,346 (39.1) | 180 (41.6) | 896 (36.3) | 135 (49.3) | 560 (36.5) | 76 (38.8) | ||||
| 65–74 | 573 (33.5) | 42(33.9) | 1,153 (33.5) | 94 (21.7) | 965 (39.1) | 80 (29.2) | 531 (34.6) | 51 (26.0) | ||||
| ≥75 | 229 (13.4) | 4 (3.2) | <0.01 | 403 (11.7) | 29 (6.7) | <0.01 | 374 (15.2) | 17 (6.2) | <0.01 | 194 (12.7) | 14 (7.1) | <0.01 |
| Sex* | ||||||||||||
| Men | 1,058 (61.9) | 73 (58.9) | 2,103 (61.1) | 297 (68.6) | 1,880 (76.2) | 203 (74.1) | 1,055 (68.8) | 155 (79.1) | ||||
| Women | 652 (38.1) | 51 (41.1) | 0.51 | 1,340 (38.9) | 136 (31.4) | <0.01 | 587 (23.8) | 71 (25.9) | 0.44 | 479 (31.2) | 41 (20.9) | <0.01 |
| Active Duty* | ||||||||||||
| Yes | 26 (1.5) | 7 (5.6) | 92 (2.7) | 27 (6.2) | 26 (1.1) | 8 (2.9) | 43 (2.8) | 13 (6.6) | ||||
| No | 1,684 (98.5) | 117 (94.4) | <0.01 | 3,351 (97.3) | 406 (93.8) | <0.01 | 2,441 (98.9) | 266 (97.1) | 0.01 | 1,491 (97.2) | 183 (93.4) | <0.01 |
| Tumor Stage* | ||||||||||||
| Localized | 242 (14.2) | 15 (12.1) | 1,191 (34.6) | 141 (32.6) | 840 (34.1) | 84 (30.7) | 338 (22.0) | 35 (17.9) | ||||
| Regional | 455 (26.6) | 41 (33.1) | 957 (27.8) | 119 (27.5) | 931 (37.7) | 105 (38.3) | 449 (29.3) | 62 (31.6) | ||||
| Distant | 893 (52.2) | 60 (48.4) | 1,151 (33.4) | 159 (36.7) | 573 (23.2) | 76 (27.7) | 629 (41.0) | 85 (43.4) | ||||
| Unknown | 120 (7.0) | 8 (6.4) | 0.47 | 144 (4.2) | 14 (3.2) | 0.47 | 123 (5.0) | 9 (3.3) | 0.22 | 118 (7.7) | 14 (7.1) | 0.56 |
| Tumor Grade* | ||||||||||||
| I | 6 (0.3) | 0 (0.0) | 384 (11.1) | 48 (11.1) | 114 (4.6) | 18 (6.6) | 11 (0.7) | 1 (0.5) | ||||
| II | 22 (1.3) | 2 (1.6) | 9.5 (26.3) | 97 (22.4) | 838 (34.0) | 85 (31.0) | 38 (2.5) | 5 (2.5) | ||||
| III | 172 (10.1) | 18 (14.5) | 1,310 (38.1) | 177 (40.9) | 931 (37.7) | 91 (33.2) | 694 (45.2) | 89 (45.4) | ||||
| IV | 586 (34.3) | 40 (32.3) | 23 (0.7) | 4 (0.9) | 12 (0.5) | 1 (0.4) | 228 (14.9) | 15 (7.7) | ||||
| Unknown | 924 (54.0) | 64 (51.6) | 0.56 | 821 (23.8) | 107 (24.7) | 0.47 | 572 (23.2) | 79 (28.8) | 0.12 | 563 (36.7) | 86 (43.9) | 0.06 |
| Surgery | ||||||||||||
| Yes | 171 (10.0) | 8 (6.5) | 1,832 (53.2) | 216 (49.6) | 1,057 (42.8) | 106 (38.7) | 449 (29.3) | 55 (28.1) | ||||
| No | 1,531 (89.5) | 115 (92.7) | 1,601 (46.5) | 215 (49.9) | 1,405 (57.0) | 168 (61.3) | 1,077 (70.2) | 141 (71.9) | ||||
| Unknown | 8 (0.5) | 1 (0.8) | 0.39 | 10 (0.3) | 2 (0.5) | 0.33 | 5 (0.2) | 0 (0.0) | 0.30 | 8 (0.5) | 0 (0.0) | 0.55 |
| Radiation | ||||||||||||
| Yes | 755 (44.2) | 77 (62.1) | 1,333 (38.7) | 223 (39.5) | 1,241 (50.3) | 145 (52.9) | 829 (54.0) | 112 (57.2) | ||||
| No | 883 (51.6) | 44 (35.5) | 1,984 (57.6) | 304 (55.0) | 1,121 (45.4) | 118 (43.1) | 602 (39.3) | 71 (36.2) | ||||
| Unknown | 72 (4.2) | 3 (2.4) | <0.01 | 126 (3.7) | 25 (5.5) | 0.13 | 105 (4.3) | 11 (4.0) | 0.71 | 103 (6.7) | 13 (6.6) | 0.70 |
| Chemotherapy | ||||||||||||
| Yes | 1,362 (79.7) | 100 (80.7) | 805 (23.4) | 116 (26.8) | 555 (22.5) | 66 (24.1) | 425 (27.7) | 68 (34.7) | ||||
| No | 293 (17.1) | 19 (15.3) | 2,524 (73.3) | 290 (67.0) | 1,825 (74.0) | 199 (72.6) | 1,028 (67.0) | 120 (61.2) | ||||
| Unknown | 55 (3.2) | 5 (4.0) | 0.79 | 114 (3.3) | 27 (6.2) | <0.01 | 87 (3.5) | 9 (3.3) | 0.66 | 81 (5.3) | 8 (4.1) | 0.11 |
| Recurrence | ||||||||||||
| Yes | 338 (19.8) | 32 (25.8) | 600 (17.4) | 92 (21.3) | 385 (15.6) | 40 (14.6) | 219 (14.3) | 33 (16.8) | ||||
| No | 1,372 (80.2) | 136 (74.2) | 0.11 | 2,843 (82.6) | 341 (78.7) | 0.05 | 2,082 (84.4) | 234 (85.4) | 0.66 | 1,315 (85.7) | 163 (83.2) | 0.34 |
*
At the time of diagnosis;
^
Chi-square test.