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  • Title: [Prognostic factors and outcomes of Legg-Calvé-Perthes disease].
    Author: Yang J, Yü ZT, Zhang JL, Dai SJ, Song M, Wang W.
    Journal: Zhonghua Yi Xue Za Zhi; 2013 Jun 04; 93(21):1640-3. PubMed ID: 24125673.
    Abstract:
    OBJECTIVE: To determine the prognostic factors and outcomes of Legg-Calvé-Perthes (LCP) disease. METHODS: A retrospective review was conducted for a total of 144 LCP patients at Department of Pediatric Orthopedics, Beijing Jishuitan Hospital. Their clinical data, such as age, gender, follow-up duration and radiological characteristics, were collected and assessed with Stulberg classification scheme. RESULTS: The male-to-female ratio was 8.6:1. Their age of onset was 8.06 ± 2.01 years and follow-up period 5.90 ± 2.29 years. There were Stulberg I and II (n = 52, 36.1%), III type (n = 57, 39.6%) and IV and V type (n = 35, 24.3%). Between the low-age ( ≤ 8) and high-age (>8) groups, the results of lateral pillar classification (A, B, C), modified Catterall staging (A, B) and Stulberg classification had significant differences (P < 0.005). Logistic regression analysis showed that age, lateral pillar classification and lateral half dislocation were independent prognostic risk factors. CONCLUSION: Age, lateral pillar classification and lateral half dislocation are prognostic factors for LCP. And greater age and higher lateral pillar classification denote a worse outcome.
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