Table 2 Difference in therapeutic approaches between high- and low-volume centers.
High-volume center (n = 462) | Low-volume center (n = 676) | P value | ||
|---|---|---|---|---|
Initiation of all-trans retinoic acid | ≤1 day after admission | 384 (83%) | 514 (76%) | 0.004 |
>1 day after admission | 78 (17%) | 162 (24%) | ||
Initiation of conventional chemotherapy | ≤7 days after admission | 253 (55) | 274 (41) | <0.001 |
>7 days after admission | 108 (23) | 221 (33) | ||
Not performed | 101 (22) | 181 (27) |