Sonographic hip type (worst affected hip) | Screening results | Children treated |
---|---|---|
Values are n (%). | ||
I (normal) | 3227 (62.4) | 13 (0.4) |
IIa/IIa+ (immature) | 1510 (29.2) | 32 (2.1) |
IIa− (immature) | 144 (2.8) | 42 (29.2) |
IIb (abnormal) | 100 (1.9) | 52 (52.0) |
IIc (abnormal) | 38 (0.7) | 20 (52.6) |
D (abnormal) | 113 (2.2) | 84 (74.3) |
III (abnormal) | 37 (0.7) | 26 (70.3) |
IV (abnormal) | 1 (0.02) | 1 (100.0) |
Total | 5170 (100) | 270 (5.2) |