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Events on follow-up.
| Events on follow-up | Group 1, fair result | Group 2, good result | Group 3, suboptimal result |
|---|---|---|---|
| Mortality | 3 (1.8) | 3 (0.6) | 1 (1.6) |
| Cerebrovascular accident | 10 (5.8) | 24 (4.8) | 6 (9.4) |
| Redo balloon mitral valvotomy | 12 (7.1) | 23 (4.6) | 7 (11.3) |
| Mitral valve replacement | 24 (12.1) | 17 (3.1) | 9 (11.8) |
