Table 2 Lung cancer patient cohort in the Milan province, Italy (n = 5746 subjects)
| Â | No. | (%) |
|---|---|---|
Year of incidence | ||
 2007 | 909 | (15.8) |
 2008 | 952 | (16.6) |
 2009 | 1015 | (17.7) |
 2010 | 975 | (17.0) |
 2011 | 945 | (16.5) |
 2012 | 950 | (16.5) |
Gender | ||
 Male | 4310 | (75.0) |
 Female | 1436 | (25.0) |
Age class (years) | ||
  ≤ 55 | 422 | (7.4) |
 56–60 | 496 | (8.6) |
 61–65 | 797 | (13.9) |
 66–70 | 1010 | (17.6) |
 71–75 | 1163 | (20.2) |
 76–80 | 1002 | (17.4) |
  > 80 | 856 | (14.9) |
Charlson index | ||
 0 | 3256 | (56.7) |
 1 | 1226 | (21.3) |
 2 | 627 | (10.9) |
  ≥ 3 | 334 | (5.8) |
Stage | ||
 No. missing | 879 | (15.3) |
  I | 611 | (12.6) |
  II | 526 | (10.8) |
  III | 1068 | (21.9) |
  IV | 2662 | (54.7) |
Cito-pathologically confirmed | ||
 No | 932 | (16.2) |
 Yes | 4814 | (83.8) |
Histology groupsa | ||
 NSCLC | 4304 | (89.4) |
  SCC | 975 | (20.3) |
  adenocarcinoma | 2194 | (45.6) |
  large cell | 151 | (3.1) |
  other, specified | 810 | (16.8) |
  aspecific | 174 | (3.6) |
 SCLC | 510 | (10.6) |
Treatment | ||
 No recorded treatment | 2350 | (40.9) |
 Surgery | 1124 | (19.6) |
 Chemo-radiotion | 388 | (6.8) |
 Chemotherapy | 1570 | (27.3) |
 Radiotherapy | 314 | (5.5) |