From: Analyses of outcomes of one-stage operation for treatment of late-diagnosed developmental dislocation of the hip: 864 hips followed for 3.2 to 8.9 years
McKay (%)
Young
Middle
Older
Total
Excellent
112(54.4)
362(62.8)
6(7.3)
480(55.6)
Good
62(30.1)
137(23.9)
8(9.8)
207(23.8)
Fair
28(13.6)
56(9.7)
43(52.4)
127(14.8)
Poor
4(1.9)
21(3.6)
25(30.5)
50(5.8)