Table 1 Clinical and pathological characteristics of the study population
| Â | Lung cancer | Inflammation | Controls |
|---|---|---|---|
Gender | |||
 Female | 82 (30.5%) | 35 (32.4%) | 169 (48.6%) |
 Male | 187 (69.5%) | 73 (67.6%) | 179 (51.4%) |
Age (mean ± SD) | 68.1 ± 9.9 | 63.3 ± 11.5 | 67.3 ± 11.0 |
SUV (mean ± SD) | 12.1 ± 7.6 | 4.3 ± 2.8 |  |
Diabetes | |||
 No | 222 (82.5%) | 98 (90.7%) | 280 (80.5%) |
 Yes | 47 (17.5%) | 10 (9.3%) | 68 (19.5%) |
Glycemia (mean ± SD) | 105.5 ± 21.3 | 101.7 ± 20.0 |  |
Smoking habits | |||
 Former | 130 (48.3%) | 47 (43.5%) | 147 (42.2%) |
 Never | 10 (3.7%) | 15 (13.9%) | 132 (38.0%) |
 Active | 129 (48%) | 41 (38%) | 69 (19.8%) |
 Unknown | 0 (0%) | 5 (4.6%) | 0 (0%) |
TNM stage | |||
 IA | 53 (19.7%) |  |  |
 IB | 22 (8.2%) |  |  |
 IIA | 16 (5.9%) |  |  |
 IIB | 16 (5.9%) |  |  |
 IIIA | 63 (23.4%) |  |  |
 IIIB | 28 (10.5%) |  |  |
 IV | 71 (26.4%) |  |  |
Histology | |||
 CARCINOMA | |||
  Adenocarcinoma | 101 (37.5%) |  |  |
  Adenosquamous | 5 (1.9%) |  |  |
  Squamous | 71 (26.4%) |  |  |
  NOS | 9 (3.3%) |  |  |
  Carcinoid | 5 (1.9%) |  |  |
  SCLC | 38 (14.1%) |  |  |
  No histology | 35 (13%) |  |  |
  Other | 5 (1.9%) |  |  |
 INFLAMMATION | |||
  Pneumonia | 54 (50.0%) |  |  |
  Sarcoidosis | 6 (5.6%) |  |  |
  Granulomaa | 6 (5.6%) |  |  |
  Mycobacteria | 5 (4.6%) |  |  |
  Antracosilicosis | 9 (8.3%) |  |  |
  Unknown | 21 (19.4%) |  |  |
  Miscellaneous | 7 (6.5%) |  |  |