Table 3.
Lung Cancer Cases and Deaths by Histology
| Arm | CT | CXR | CT | CXR | |
|---|---|---|---|---|---|
| Histology | Cases | Cases | Lung Cancer Deaths |
Lung Cancer Deaths |
Lung Cancer Mortality RR (95% CI) |
| N (%) | N(%) | N(%) | N(%) | ||
| Bronchioloalveolar Carcinoma (BAC) | 111 (10) | 36 (4) | 13 (3) | 10 (2) | 1.3 (0.58–2.9) |
| Adenocarcinoma | 389 (35) | 337 (34) | 136 (29) | 181 (33) | 0.75 (0.60–0.94) |
| Large Cell | 40 (4) | 44 (4) | 17 (4) | 24 (4) | 0.71 (0.38–1.3) |
| NSCLC-other 1 | 48 (4) | 49 (5) | 25 (5) | 34 (6) | 0.74 (0.44–1.2) |
| NSCLC-NOS | 89 (8) | 113 (11) | 45 (10) | 76 (14) | 0.59 (0.41–0.86) |
| All NSCLC minus Squamous (excl BAC) | 566 (51) | 543 (55) | 223 (48) | 315 (57) | 0.71 (0.60–0.84) |
| Squamous Cell | 249 (22) | 214 (22) | 102 (22) | 83 (15) | 1.23 (0.92–1.64) |
| Small Cell | 143 (13) | 163 (16) | 102 (22) | 113 (20) | 0.90 (0.69–1.18) |
| Carcinoid | 6 (0.5) | 3 (0.3) | 1 (0.2) | 0 | |
| Unknown | 34 (3) | 34 (3) | 28 (6) | 31 (6) | 0.90 (0.54–1.5) |
| All | 1109 | 993 | 469 | 552 | 0.84 (0.75–0.95) |
1
. Excludes adenocarinoma, large cell, squamous cell, BAC and NSCLC-NOS.