Table 1 Patient characteristics
| Anastrozole | Letrozole | p -value | |
|---|---|---|---|
| Patients (n) | 70 | 71 | |
| Median age, years (range) | 64 (51–84) | 64 (49–88) | 0.579a |
| Stage | |||
| 0 | 1 | 0 | |
| I | 20 | 15 | |
| IIA | 25 | 21 | |
| IIB | 6 | 14 | |
| IIIA | 5 | 8 | |
| IIIB | 5 | 4 | |
| IIIC | 2 | 3 | |
| IV | 1 | 1 | |
| Recurrence | 4 | 4 | |
| Unknown | 1 | 1 | |
| History of hormone therapy | |||
| Yes | 10 | 24 | < 0.01b |
| No | 60 | 47 | |
| History of chemotherapy | |||
| Yes | 27 | 41 | 0.029 b |
| No | 43 | 30 | |