Clinical Observation of the Legg-Perthes Disease

The clinical observation and analysis were carried out on 69 cases of Legg·Perthes disease. And the following results were obtained. 1. Sex ratio (male: female) was 8 : 1. 2. Peak age was from 4 years to 13 years. 3. Chief complaint at diagnosis was limping. (62.396). 4. Limitation of motion was marked in abduction and internal rotation of hip. 5. The most frequent pathological stage was fragmentation state. (46. 4%) 6. The second Caterall group was most frequent. (44.4%) 7. The most frequent method of treatment was ambulatory abduction brace. 8. According to evaluation by Mose method, good results was obtained in the first and second Caterall group. 9. Caterall grouping was a good indicator for prognosis