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Cumulative prevalence of re-hospitalization for severe vaso-occlusive episode (ACS or pain) following an initial ACS episode, by age of initial ACS episode.
| Time to next ACS/pain episode | % with subsequent ACS/pain episode | P Value | ||
|---|---|---|---|---|
| Total | <4 years | ≥4 years | ||
| 6 months | 29.6 (37/125) | 26.8 (15/56) | 31.9 (22/69) | 0.535 |
| 1 year | 49.6 (62/125) | 62.5 (35/56) | 39.1 (27/69) | 0.009 |
| 2 years | 68.8 (86/125) | 78.6 (44/56) | 60.9 (42/69) | 0.034 |
| 3 years | 77.6 (97/125) | 83.9 (47/56) | 72.5 (50/69) | 0.126 |
