| All | Nonresected# | Resected | Resection rate |
Subjects | 34 157 (100.0) | 27 997 (82.0) | 6160 (18.0) | 18.0 |
Median age years | 70 | 71 | 66 | |
Median follow-up months¶ | 7 | 5 | 39 | |
Diagnostic period | | | | |
1997–1999 | 5711 (16.7) | 4705 (16.8) | 1006 (16.3) | 17.6 |
2000–2002 | 6245 (18.3) | 5168 (18.5) | 1077 (17.5) | 17.2 |
2003–2005 | 6874 (20.1) | 5661 (20.2) | 1213 (19.7) | 17.6 |
2006–2008 | 7476 (21.9) | 6079 (21.7) | 1397 (22.7) | 18.7 |
2009–2011 | 7851 (23.0) | 6384 (22.8) | 1467 (23.8) | 18.7 |
Age years | | | | |
≤49 | 1466 (4.3) | 1042 (3.7) | 424 (6.9) | 28.9 |
50–59 | 5212 (15.3) | 4001 (14.3) | 1211 (19.7) | 23.2 |
60–69 | 9925 (29.1) | 7697 (27.5) | 2228 (36.2) | 22.4 |
70–79 | 11 891 (34.8) | 9858 (35.2) | 2033 (33.0) | 17.1 |
≥80 | 5663 (16.6) | 5399 (19.3) | 264 (4.3) | 4.7 |
Sex | | | | |
Female | 13 624 (39.9) | 11 012 (39.3) | 2612 (42.4) | 19.2 |
Male | 20 533 (60.1) | 16 985 (60.7) | 3548 (57.6) | 17.3 |
Stage+ | | | | |
Localised | 5789 (17.0) | 2835 (10.1) | 2954 (48.0) | 51.0 |
Regional | 9263 (27.1) | 6808 (24.3) | 2455 (39.9) | 26.5 |
Metastasis | 16 279 (47.7) | 15 892 (56.8) | 387 (6.3) | 2.4 |
Unknown | 2814 (8.2) | 2450 (8.8) | 364 (5.9) | 12.9 |
Education level | | | | |
Low | 16 803 (49.2) | 14 065 (50.2) | 2738 (44.4) | 16.3 |
Intermediate | 13 916 (40.7) | 11 194 (40.0) | 2722 (44.2) | 19.6 |
High | 3016 (8.8) | 2360 (8.4) | 656 (10.6) | 21.8 |
Unknown | 422 (1.2) | 378 (1.4) | 44 (0.7) | 10.4 |
Income level | | | | |
Low | 6752 (19.8) | 5789 (20.7) | 963 (15.6) | 14.3 |
Intermediate | 20 373 (59.6) | 16 888 (60.3) | 3485 (56.6) | 17.1 |
High | 6882 (20.1) | 5190 (18.5) | 1692 (27.5) | 24.6 |
Unknown | 150 (0.4) | 130 (0.5) | 20 (0.3) | 13.3 |
Histology | | | | |
Squamous cell carcinoma | 7051 (20.6) | 5123 (18.3) | 1928 (31.3) | 27.3 |
Adenocarcinoma | 10 592 (31.0) | 7601 (27.1) | 2991 (48.6) | 28.2 |
Small cell carcinoma | 5745 (16.8) | 5654 (20.2) | 91 (1.5) | 1.6 |
Large cell carcinoma | 1761 (5.2) | 1332 (4.8) | 429 (7.0) | 24.4 |
Other specified carcinoma | 3750 (11.0) | 3123 (11.2) | 627 (10.2) | 16.7 |
Carcinoma, not specified | 1703 (5.0) | 1610 (5.8) | 93 (1.5) | 5.5 |
Unknown | 3555 (10.4) | 3554 (12.7) | 1 (0.0) | 0.0 |
Topography | | | | |
Main bronchus | 2295 (6.7) | 2210 (7.9) | 85 (1.4) | 3.7 |
Upper lobe | 12 682 (37.1) | 9381 (33.5) | 3301 (53.6) | 26.0 |
Middle lobe | 1152 (3.4) | 837 (3.0) | 315 (5.1) | 27.3 |
Lower lobe | 6871 (20.1) | 4728 (16.9) | 2143 (34.8) | 31.2 |
Overlapping lesion of lung | 374 (1.1) | 268 (1.0) | 106 (1.7) | 28.3 |
Lung NOS | 10 783 (31.6) | 10 573 (37.8) | 210 (3.4) | 1.9 |
Radiation therapy§ | | | | |
None | 20 453 (59.9) | 15 353 (54.8) | 5100 (82.8) | 24.9 |
Radical | 3470 (10.2) | 2888 (10.3) | 582 (9.4) | 16.8 |
Palliative | 10 234 (30.0) | 9756 (34.8) | 478 (7.8) | 4.7 |
Laterality | | | | |
Left | 13 770 (40.3) | 11 077 (39.6) | 2693 (43.7) | 19.6 |
Right | 18 186 (53.2) | 14 724 (52.6) | 3462 (56.2) | 19.0 |
Unknown | 2201 (6.4) | 2196 (7.8) | 5 (0.1) | 0.2 |
Comorbidityƒ | | | | |
No admission (CCI= −1) | 214 (2.7) | 189 (3.0) | 25 (1.7) | 11.7 |
CCI=0 | 4475 (57.0) | 3593 (56.3) | 882 (60.1) | 19.7 |
CCI=1, 2 | 2666 (34.0) | 2158 (33.8) | 508 (34.6) | 19.1 |
CCI≥3 | 496 (6.3) | 444 (7.0) | 52 (3.5) | 10.5 |
Smoking## | | | | |
Never | 1347 (7.8) | 1069 (7.6) | 278 (8.9) | 20.6 |
Current | 7538 (43.7) | 6134 (43.4) | 1404 (45.0) | 18.6 |
Former | 4052 (23.5) | 3239 (22.9) | 813 (26.0) | 20.1 |
Unknown | 4324 (25.1) | 3698 (26.2) | 626 (20.1) | 14.5 |
Procedure | | | | |
Upper lobectomy | | | 2199 (35.7) | |
Lower lobectomy | | | 1389 (22.5) | |
Middle lobectomy | | | 201 (3.3) | |
Bilobectomy | | | 461 (7.5) | |
Pneumonectomy | | | 1018 (16.5) | |
Sublobar resection | | | 471 (7.6) | |
Unknown | | | 421 (6.8) | |
pTNM status | | | | |
IA | | | 1599 (26.0) | |
IB | | | 1429 (23.2) | |
IIA | | | 1114 (18.1) | |
IIB | | | 673 (10.9) | |
IIIA | | | 836 (13.6) | |
IIIB | | | 40 (0.6) | |
IV | | | 61 (1.0) | |
Unknown | | | 408 (6.6) | |
Tumour size cm | | | | |
<1.5 | | | 446 (7.2) | |
1.5–<3 | | | 1851 (30.0) | |
3–<5 | | | 1806 (29.3) | |
5–<7 | | | 989 (16.1) | |
≥7 | | | 677 (11.0) | |
Unknown | | | 391 (6.3) | |
Resection margin | | | | |
Free | | | 5466 (88.7) | |
Not free | | | 227 (3.7) | |
Uncertain | | | 78 (1.3) | |
Not described | | | 5 (0.1) | |
Unknown | | | 384 (6.2) | |