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Comparison of complications in primary SH: non-fixed angle + no BMP2 (group 1) vs. fixed angle + BMP2 (group 3).
| Complication | ⦸Fixed < ⦸BMP |
Fixed < +BMP |
p-Value | ||
|---|---|---|---|---|---|
| No. = 34 | % | No. = 27 | % | 2-tail | |
| Delayed ossification | 18 | 53 | 1 | 4 | 0.0009 |
| Recurrent varus | 18 | 53 | 2 | 7 | 0.0002 |
(⦸Fixed <—not fixed angle, ⦸BMP—no BMP, Fixed <—fixed angle, +BMP—plus BMP).
