| Key Variables | Cancer registry database n (%) | LUCADA database n (%) | Agreement% | Kappa (κ) |
|---|---|---|---|---|
| Sex | ||||
| Female | 11990 (46) | 11987 (46) | ||
| Male | 14011 (54) | 14014 (54) | 99% | 0.99 |
| Age | ||||
| <65 | 6032 (23) | 6025 (23) | ||
| 65–80 | 14249 (55) | 14242 (55) | ||
| >80 | 5720 (22) | 5734 (22) | 99% | 0.99 |
| Pathology Confirmed | ||||
| No | 6341 (24) | 7664 (29) | ||
| Yes | 19660 (76) | 18337 (71) | 89% | 0.73 |
| Lung Cancer Type | ||||
| Small Cell | 2975 (11) | 2958 (11) | ||
| Carcinoid | 189 (1) | 234 (1) | ||
| Non-small cell | 22837 (88) | 22809 (88) | 97% | 0.87 |
| Performance Status | ||||
| 0 | 3816 (15) | 4278 (16) | ||
| 1 | 6550 (25) | 7869 (30) | ||
| 2 | 4025 (15) | 5109 (20) | ||
| 3 | 3553 (14) | 4527 (17) | ||
| 4 | 1152 (4) | 1424 (5) | 97% | 0.91†‡ |
| Missing | 6905 (27) | 2794 (11) | 83% | 0.57† |
| Stage | ||||
| IA | 2976 (8) | 2226 (9) | ||
| IB | 2296 (6) | 1714 (7) | ||
| IIA | 1405 (4) | 1087 (4) | ||
| IIB | 1236 (4) | 1025 (4) | ||
| IIIA | 3981 (11) | 3330 (13) | ||
| IIIB | 2844 (8) | 2470 (9) | ||
| IV | 16758 (47) | 12258 (47) | 96% | 0.90†‡ |
| Missing | 4022 (11) | 1891 (7) | 94% | 0.81† |
† Weighted Kappa κ
‡ Excluding missing data