Table 3.
Total numbers of children with windswept hip deformity (WS) in the control and study groups at 10 and 20 years of age, and the numbers of these cases with WS combined with scoliosis (S), hip dislocation (HD), or femoral osteotomy (FO)
| Control group | Study group | p value | ||||
|---|---|---|---|---|---|---|
| 10 years (n = 68) | 20 years (n = 62) | 10 years (n = 139) | 20 years (n = 125) | 10 years | 20 years | |
| WS (total) | 8 | 10 + 2* | 10 | 10 + 3* | 0.200 | 0.071 |
| WS + S | 6 | 8 + 2* | 4 | 9 + 2* | 0.067 | 0.100 |
| WS + HD | 5 | 3 + 2* | 0 | 0 | 0.003 | 0.003 |
| WS + FO | 0 | 1 | 8 | 7 + 2* | 0.040 | 0.100 |
| WS + S + HD | 4 | 3 + 2* | 0 | 0 | 0.011 | 0.004 |
| WS + S + FO | 0 | 1 | 4 | 6 + 2* | 0.200 | 0.140 |
* Children with WS (+S, HD, or FO) who died or moved out of the area between the 10- and 20-year follow-up