Table 1.
Patient characteristics.
| Male | Female | Total | |
|---|---|---|---|
| Patients N (%) | 126 (51.9%) | 117 (48.1%) | 243 (100%) |
| Age | |||
| Mean | 75.8 | 75.8 | |
| Median | 75.5 | 75 | |
| Range | 70–86 | 70–89 | |
| Smokinga | |||
| Current smoker | 38 (30.2%) | 42 (35.9%) | 80 (32.9%) |
| Former smoker | 78 (61.9%) | 51 (43.6%) | 129 (53.1%) |
| Never smoked | 10 (7.9%) | 24 (20.5%) | 34 (14.0%) |
| PS (WHO)b | |||
| 0 | 24 (19.0%) | 20 (17.1%) | 44 (18.1%) |
| 1 | 73 (57.9%) | 67 (57.3%) | 140 (55.6%) |
| 2 | 29 (23.0%) | 30 (25.6%) | 59 (24.3%) |
| Type of lung cancerc | |||
| Adenocarcinoma | 66 (52.4%) | 70 (59.8%) | 136 (56.0%) |
| Squamous cell carcinoma | 39 (31.0%) | 24 (20.5%) | 63 (25.9%) |
| Low differentiated cell carcinoma | 15 (11.9%) | 15 (12.8%) | 30 (12.3%) |
| Lung cancer, clinical diagnosis | 1 (0.8%) | 2 (1.7%) | 3 (1.2%) |
| Large cell carcinoma | 5 (4.0%) | 5 (4.3%) | 10 (4.1%) |
| Adenosquamous cell carcinoma | 0 (0.0%) | 1 (0.9%) | 1 (0.4%) |
| Total | 126 (51.8%) | 117 (48.2%) | 243 (100.0%) |
| Tumour staged | |||
| Ia | 1 (0.8%) | 0 (0.0%) | 1 (0.4%) |
| Ib | 1 (0.8%) | 3 (2.6%) | 4 (1.6%) |
| IIa | 1 (0.8%) | 0 (0.0%) | 1 (0.4%) |
| IIb | 0 (0.0%) | 3 (2.6%) | 3 (1.2%) |
| IIIa | 14 (11.1%) | 14 (12.0%) | 28 (11.5%) |
| IIIb | 42 (33.3%) | 33 (28.2%) | 75 (30.9%) |
| IV | 67 (53.2%) | 64 (54.7%) | 131 (53.9%) |
| Total | 126 (51.8%) | 117 (48.2%) | 243 (100.0%) |
a p = 0.00365; b p = 0.8585; c p = 0.4461; d p = 0.3752.