Article Text
Causation
Many perinatal factors increased the risk of developmental dysplasia of the hip
Statistics from Altmetric.com
Objective
To determine perinatal risk factors for developmental dysplasia of the hip (DDH).
Design
Case control study.
Setting
A community based study in South Australia.
Participants
1127 children who were born from 1986–93 and had DDH were compared with 150 130 children who did not have DDH and were born during the same time period. Children with major abnormalities were excluded.
Assessment of risk factors
Data from state birth records were used to ascertain mother's age, race, country of birth, medical conditions, obstetric complications, parity, presentation and method …