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两组患者的基本临床特征
The basic clinical characteristics of patients in the two groups
| Characteristics | Pemetrexed (n=23) | Gefitinib (n=23) |
| Gender | ||
| Male/Female | 14/9 | 15/8 |
| Age, yr, median (range) | 61 (47-72) | 62 (41-74) |
| Performance status | ||
| 0/1/2 | 6/12/5 | 6/11/6 |
| Smoking status | ||
| Current or ever-smoker/Never-smoker | 12/11 | 13/10 |
| Pathologic subtype | ||
| Adenocarcinoma | 21 | 22 |
| Large-cell carcinoma | 1 | 1 |
| Other | 1 | 0 |
| Initial stage | ||
| Ⅲb/Ⅳ | 5/18 | 4/19 |
