Demographic features of patients with non-small cell lung cancer (NSCLC) based on where they were first seen (total number with NSCLC=34 513)
| Thoracic surgical centre | Non-surgical centre | |
| N (%) | N (%) | |
| Total | 9265 (27) | 25 248 (73) |
| Sex | ||
| Male | 5648 (61) | 15 297 (61) |
| Female | 3617 (39) | 9951 (39) |
| Median (IQR) age (years) | 70 (63–77) | 71 (63–77) |
| Performance status | ||
| 0 | 1804 (19) | 4043 (16) |
| 1 | 2487 (27) | 6795 (27) |
| 2 | 1388 (15) | 3929 (16) |
| 3 | 824 (9) | 2427 (10) |
| 4 | 169 (2) | 591 (2) |
| Missing | 2593 (28) | 7463 (30) |
| Stage | ||
| IA | 372 (4) | 806 (3) |
| IB | 582 (6) | 1556 (6) |
| IIA | 62 (0.7) | 140 (0.5) |
| IIB | 381 (4) | 1067 (4) |
| IIIA | 746 (8) | 2031 (8) |
| IIIB | 1388 (15) | 4039 (16) |
| IV | 3003 (32) | 7965 (32) |
| Occult | 16 | 34 |
| Missing | 2715 (29) | 7610 (30) |
| Charlson Index | ||
| 0 | 4221 (46) | 11 352 (45) |
| 1 | 1784 (19) | 5167 (20) |
| 2 or 3 | 1564 (17) | 4262 (17) |
| 4+ | 1696 (18) | 4465 (18) |
| Townsend quintile | ||
| 1 (most affluent) | 1116 (12) | 4068 (16) |
| 2 | 1602 (17) | 4791 (19) |
| 3 | 1470 (16) | 5190 (21) |
| 4 | 1724 (19) | 5424 (21) |
| 5 (least affluent) | 3339 (36) | 5712 (23) |
| Surgery | ||
| No | 7727 (83) | 22 301 (88) |
| Yes | 1538 (17) | 2947 (12) |