Table 1 Patient characteristics
Characteristic | No. of Patients | Percentage |
|---|---|---|
Sex | ||
 Male | 63 | 34.2% |
 Female | 92 | 65.8% |
Clinical Stage | ||
 I,II | 57 | 36.8% |
 III,IV | 98 | 63.2% |
Smoking history | ||
 Ever | 63 | 34.2% |
 Never | 92 | 65.8% |
Age,y | ||
  < 59 | 74 | 47.7% |
 ≧59 | 81 | 52.3% |
ECOG PS | ||
 0-1 | 152 | 98.1% |
 2-3 | 3 | 1.9% |
Median age of patients 59y (range,38-81y) | ||