Table 2.
Type of DFS events by treatment group: NSABP B-42 10-year updatea
| First event | Placebo (n = 1953) | Letrozole (n = 1950) |
|---|---|---|
| No. (%) | No. (%) | |
| Distant recurrence | 115 (5.9) | 85 (4.4) |
| Local-regional recurrence | 47 (2.4) | 47 (2.4) |
| Second primary | 242 (12.4) | 193 (9.9) |
| Breast | 84 (4.3) | 57 (2.9) |
| Other | 158 (8.1) | 136 (7.0) |
| Death | 101 (5.2) | 110 (5.6) |
| Total first event | 505 (25.9) | 435 (22.3) |
| Alive, event free | 1448 (74.1) | 1515 (77.7) |
a
DFS = disease-free survival; NSABP = National Surgical Adjuvant Breast and Bowel Project.