Demographics and risk for containment surgery in patients with unilateral Legg-Calvé-Perthes disease: a national population-based cohort study of 309 patients from the Swedish Pediatric Orthopedic Quality Register.

In univariable analysis, female sex, overweight or obesity, and patients with lateral pillar B/C showed a trend for an increase in the risk of containment surgery, but not statistically significant in the crude or adjusted analysis ( Table 4 ).

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