ObjectivesThis was a cross-sectional study with a nested case−control analysis among a cohort of HIV-infected adults aiming to explore the prevalence of and risk factors for elective hip surgery (total hip arthroplasty and resurfacing).
MethodsCases were identified from the out-patient database of HIV-infected adults attending one tertiary hospital service. For each case, five controls from the same database matched by age, gender and ethnicity were identified. From the case notes, information about demograph… Show more
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