Table 1 Patient characteristics
Characteristics | Level 1 (N = 3) | Level 2 (N = 6) | Level 3 (N = 6) | N (%) |
|---|---|---|---|---|
Age, y | ||||
 Median (range) | 59 (65–56) | 61 (48–63) | 63 (52–68) | 62 (48–68) |
Gender, n | ||||
 Male | 1 | 4 | 3 | 8 (53 %) |
 Female | 2 | 2 | 3 | 7 (47 %) |
ECOG performance status, n | ||||
 0 | 2 | 2 | 2 | 6 (40 %) |
 1 | 1 | 4 | 4 | 9 (60 %) |
Clinical stage | ||||
 IIIA | 1 | 2 | 2 | 5 (33 %) |
 IIIB | 2 | 4 | 4 | 10 (67 %) |
Smoking History, n | ||||
 Never | 2 | 2 | 3 | 7 (47 %) |
 Ever | 1 | 4 | 3 | 8 (53 %) |
 Former | 1 | 2 | 1 | 4 (27 %) |
 Current | 0 | 2 | 2 | 4 (53 %) |