Abstract
Introduction: The aim of this paper was to present a profile of Legg-Calve-Perthes’ (LCP) disease and test the hypothesis of an association between LCP disease and poverty.
Methods: We examined demographic data on a group of 240 children (263 hips) presenting with LCP disease in Greater Glasgow, where the mean deprivation scores are substantially greater than in the rest of Scotland, to see if this association applies or whether other clues to the aetiology of LCP could be divined.
Results: There were 197 males and 43 females. The majority presented in the sclerosis phase with much smaller numbers in the other phases. 70 % (184 cases of LCP) were Catterall grades 3 or 4. 16.25% had a family history of LCP. Bone age in our series is heavily skewed towards the lower centiles. The number of siblings in the family averaged 1.9, with 13 % being an only child. The maternal age at birth of the index child showed no preponderance to older age. Maternal smoking during and after pregnancy was noted in 55 %, which compares with 52% reported in the population of Greater Glasgow in general. Bone age in our series was heavily skewed towards the lower centiles. Birth weight showed a definite shift to the left, height a weaker shift to the left. 25 % of the children in our series are in social class IV and V, although this accounts for more than 50 % of the population of the Greater Glasgow.
Discussion: There is no significant evidence of a preponderance of LCP disease in the most deprived groups (p=0.9). The aetiology of LCP disease is likely to be multifactorial and may include a genetic or deprivation influence causing low bone age, hyperactivity and a high pain threshold.
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