Table 1 Patient characteristics
Characteristics | n | % | |
|---|---|---|---|
Age (years) | |||
Median (SD) | 63,8+/−9,6 | ||
Gender | |||
Male | 232 | 69 | |
Female | 106 | 31 | |
Karnofsky PS | |||
40 | 4 | 1 | |
50 | 14 | 4 | |
60 | 39 | 12 | |
70 | 123 | 36 | |
80 | 108 | 32 | |
90 | 42 | 12 | |
100 | 8 | 3 | |
Primary site | |||
NSCLC | 303 | 90 | |
SCLC | 35 | 10 | |
Histology | |||
Adenocarcinoma | 255 | 75 | |
Squamous cell carcinoma | 40 | 12 | |
Small cell carcinoma | 35 | 10 | |
Large cell carcinoma | 8 | 2 | |
Number of bone metastases | |||
Solitary | 146 | 43 | |
Multiple | 192 | 57 | |
Spine involvement | |||
Thoracic | 249 | 74 | |
Lumbar | 89 | 26 | |