Table 1 Baseline characteristics of the patients
|  | No therapy (n = 57) | Patients receiving any therapie (n = 436) | Patients with systemic therapy (n = 352) | Patients with local therapy only (n = 84) | ||||
|---|---|---|---|---|---|---|---|---|
Age at diagnosis (years) | Â | Â | Â | Â | Â | Â | Â | Â |
Median | 72 | Â | 62 | Â | 62 | Â | 65 | Â |
Range | 50-84 | Â | 34-86 | Â | 34-86 | Â | 44-85 | Â |
< 70Â years | 22 | (38.6) | 321 | (73.6) | 261 | (74.1) | 60 | (71.4) |
≥ 70 years | 35 | (61.4) | 115 | (26.4) | 91 | (25.9) | 24 | (28.6) |
Sex | Â | Â | Â | Â | Â | Â | Â | Â |
Male | 46 | (80.7) | 299 | (68.6) | 237 | (67.3) | 62 | (73.8) |
Female | 11 | (19.3) | 137 | (31.4) | 115 | (32.7) | 22 | (26.2) |
Smoking status | Â | Â | Â | Â | Â | Â | Â | Â |
Neversmoker | 2 | (4.8) | 35 | (9.9) | 35 | (12.5) | 0 | (0) |
Former smoker | 25 | (59.5) | 143 | (40.5) | 115 | (40.9) | 28 | (38.9) |
Current smoker | 15 | (35.7) | 175 | (49.6) | 131 | (46.6) | 44 | (61.1) |
Unknown | 15 | Â | 83 | Â | 71 | Â | 12 | Â |
Stage | Â | Â | Â | Â | Â | Â | Â | Â |
Stage IV, UICC 6. edition | 57 | 100 | 436 | (100) | 352 | (100) | 84 | (100) |
Stage IV, UICC 7. edition | 56 | (98.2) | 419 | (96.1) | 338 | (96.0) | 81 | (96.4) |
Stage IIIB, UICC 7. edition | 1 | (1.8) | 17 | (3.9) | 14 | ( 4.0) | 3 | (3.6) |
Histology | Â | Â | Â | Â | Â | Â | Â | Â |
Adenocarcinoma | 25 | (43.9) | 255 | (58.5) | 222 | (63.1) | 33 | (39.3) |
Squamous cell carcinoma | 18 | (31.6) | 85 | (19.5) | 56 | (15.9) | 29 | (34.5) |
Large cell undifferentiated carcinoma | 14 | (24.6) | 96 | (22.0) | 74 | (21.0) | 22 | (26.2) |