Baseline Characteristics of Patients in OSI3926g and OAM4558g
| Characteristic | OSI3926g (n = 65) | OAM4558g (n = 60) |
| Age (y) | ||
| Mean | 62.7 | 62.1 |
| SD | 9.2 | 10.6 |
| Women | 43.1% | 39.7% |
| Race or ethnic group | ||
| Asian | 4.6% | 0% |
| Other | 95.4% | 100% |
| Smoking status | ||
| Never | 20.0% | 19.0% |
| Previous | 12.3% | 12.7% |
| Current | 67.7% | 68.3% |
| Baseline ECOG status | ||
| 0 | 24.6% | 30.2% |
| 1 | 61.5% | 66.7% |
| 2 | 13.8% | 3.2% |
| EGFR mutation | 6.2% | 9.5% |
| Viable tissue sample | 69.2% | 88.9% |
| Histologic type | ||
| Adenocarcinoma | 69.2% | 63.2% |
| Squamous cell carcinoma | 18.5% | 25.5% |
| Median time since initial diagnosis (mo) | 10.3 | 11.8 |
| Median survival (mo) | 7.2 | 7.8 |
Except for available tumor tissue, no baseline variable is statistically significantly different between the 2 studies at 0.05 level.