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Table 2 AVN in pediatric SLE population as reported by various authors

From: Avascular necrosis in pediatric systemic lupus erythematosus: a brief report and review of the literature

Author Definition of AVN AVN/N (%)
Hurley et al. 1974 [5] Radiographic findings; exact findings not defined. Performed only in symptomatic patients. 4/10 (40%)
Bergstein et al. 1974 [36] Radiographic findings defined as: “mottling of the bone trabecular pattern, subchondral demineralization, depression or fragmentation, and irregular areas of lucency and/or sclerosis”. Performed in all patients. 14/35 (40%)
Brunner et al. 2002 [37] No direct definition. Authors performed a retrospective chart review and calculated SLICC/ACR Damage Index score, which include AVN. 15/66 (22.7%)
Ravelli et al. 2003 [38] No direct definition. Authors obtained information from calculated SLICC/ACR Damage Index score as well as retrospective chart review. 21/387 (5.4%)