TABLE 1.
Population Characteristics
| Variable | Categories | Statistics |
|---|---|---|
| Age (years) | Median | 60.9 × 10.3 |
| Range | 38–79 | |
| Gender | Male | 23 (52.3%) |
| Female | 21 (47.7%) | |
| Smoking | Never | 23 (52.3%) |
| Ever | 21 (47.7%) | |
| Histology | Adenocarcinoma | 38 (86.4%) |
| Nonadenocarcinoma (SqC, LC)a | 6 (13.6%) | |
| Differentiation | Poor | 10 (26.3%) |
| Moderate | 22 (57.9%) | |
| Well | 6 (15.8%) | |
| Not determined | 6 | |
| Stage | Early (I–II) | 19 (43.2%) |
| Advanced (III–IV) | 25 (56.8%) | |
| Prior chemotherapy | Yes | 12 (27.3%) |
| No | 32 (72.7%) | |
| Survival after surgery (days) | Median | 2081 |
| Range | 250–2655 | |
| Tumor response (RECIST) | Yes | 17 (52%) |
| No | 16 (48%) | |
| Disease free interval (days) | Median | 375 |
| Range | 99–1818 | |
| Survival after gefitinib (days) | Median | 562 |
| Range | 69–724 | |
| Death | Dead | 15 (34.1%) |
| Alive | 29 (65.9%) |
a
SqC, Squamous cell carcinoma; LC, Large cell carcinoma.