EVIDENCE TABLE 8

Target
Article
No.
AuthorYearLocationInitial
Orthopaedic Referral
AVN Rate
per 1000
Population •
Sample X
Sample
(Population)
Size
Evidence
Quality
83Kruczynski1996Poznan, Poland  4–12 mo162.63X28913
83Kruczynski1996Poznan, Poland  >12 mo215.69X5113
83Kruczynski1996Poznan, Poland  >2 wk142.86X69313
88Burgos et al1995Madrid, Spain  >4 mo96.15X10417
85Szulc1991Warsaw, Poland  >2 wk107.6712264
89Suzuki and
Yamamuro
1990Kyoto, Japan  2 wk–12 mo163.64X22015
90Theodorou and
Gerostathopoulos
1989Athens, Greece  2 mo–12 mo12.67X9470
19Heikkilä et al1984Helsinki, Finland  Newborn to 12 mo27.05103510

AVN After Later Detection of DDH*

    • * After 2 months of age.