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