From: Noninvasive detection of lung cancer by analysis of exhaled breath
 |  | Smokers | Non-smokers | Ex-smokers | Total | ||||
---|---|---|---|---|---|---|---|---|---|
 |  | n | Age Median (range) | n | Age Median (range) | n | Age Median (range) | n | Age Median (range) |
Control | Female | 56 (55) | 43 (18-81) | 176 (171) | 57.5 (17-91) | 39 (37) | 55 (25-85) | 271 (263) | 53.83 (17-91) |
 | Male | 28 (26) | 46 (23-77) | 95 (91) | 53 (24.5-86) | 47 (47) | 64 (33-88) | 170 (164) | 56.25 (23-88) |
 | Total | 84 (81) | 44 (18-81) | 271 (262) | 57 (17-91) | 86 (84) | 61.25 (25-88) | 441 (427) | 54 (17-91) |
CA- Patients | Female | 23 (23) | 55 (46-77) | 18 (17) | 71 (39-82.5) | 39 (39) | 64.5 (44-83) | 80 (79) | 63 (39-83) |
 | Male | 45 (43) | 60 (40-77) | 5 (5) | 61 (51-70) | 90 (88) | 66.3 (46.4-81) | 140 (136) | 65 (40-81) |
 | Total | 68 (66) | 58 (40-77) | 23 (22) | 67 (39-82.5) | 129 (127) | 66 (44-83) | 220 (215) | 64.4 (39-83) |