Objective: The possible differences in comorbidity burden were examined between people with longstanding HIV infection and those with shorter HIV duration of the same calendar age.
Design: We performed a single-centre retrospective cohort analysis comparing long-term HIV survivors (LTS) diagnosed with HIV before 1996 (pre-HAART), with an age-matched and gender-matched group diagnosed after 2006 [modern ART era (mART)].
Methods: Demographic and outcome data up to 1 May 2023 were obtained from electronic health records as well as from digitalized paper charts. Nine comorbidity domains were defined to overlook the comorbidity burden as on 1 May 2023: cardiovascular, musculoskeletal, neurological, oncological, liver, pulmonary, renal, psychiatric/cognitive, and metabolic.
Results: Eighty-eight LTS and 88 people diagnosed in the modern ART era were included in the analysis. Median age in both groups was 60 years. LTS had a higher mean number of comorbidity domains than controls (2.6 vs. 1.9; P = .001). In both LTS and mART groups, metabolic and cardiovascular comorbidity was most prevalent (metabolic 70.5 and 52.3%, respectively, cardiovascular 44.3 and 38.6%, respectively). When stratified according to age, the distribution of the number of comorbidities for LTS roughly resembled the 10 years older mART subgroup. In a multivariate analysis, total ART duration and age were found to be statistically significantly associated with the number of comorbidity domains.
Conclusion: Our analysis suggests that LTS have a higher comorbidity burden compared with people diagnosed in the modern ART era of similar calendar age.
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