Prevalence and related drug cost of comorbidities in HIV-infected patients receiving highly active antiretroviral therapy in Taiwan: A cross-sectional study.

J Microbiol Immunol Infect

Clinical Informatics and Medical Statistics Research Center, Chang Gung University, Taoyuan, Taiwan; Graduate Institute of Clinical Medical Sciences, Chang Gung University, Taoyuan, Taiwan. Electronic address:

Published: October 2019

Background: To determine the prevalence of chronic comorbidities and associated medication costs in Taiwanese HIV patients in order to increase awareness of the disease burden among healthcare providers and patients.

Methods: HIV-diagnosed patients receiving highly active antiretroviral therapy (HAART; 2010-2013) were identified from the Taiwan National Health Insurance Research Database with the corresponding International Classification of Diseases, ninth revision (ICD-9) code. Comorbidities (type II diabetes mellitus, hypertension, dyslipidemia, major depressive disorder, acute coronary syndrome, and cholelithiasis/nephrolithiasis) were identified according to ICD-9 or relevant medication use. Comorbidity medication and associated costs were identified using the drug classification code from the Anatomical Therapeutic Chemical classification system code series and series outpatient prescriptions.

Results: Of 20,726 HIV-diagnosed Taiwanese patients (2010-2013), 13,142 receiving HAART were analyzed. Prevalence of all chronic comorbidities was significantly greater (p < 0.0001) in patients aged ≥40 years versus <40 years (diabetes mellitus, 14.95% vs. 3.30%; hypertension, 46.73% vs. 26.83%; dyslipidemia, 34.93% vs. 18.37%; depression, 23.75% vs. 19.88%; acute coronary syndrome, 1.16% vs. 0.21%; nephrolithiasis/cholelithiasis, 7.26% vs. 4.56%; >2 comorbidities, 24.80% vs. 7.21%). An increase in comorbidity medication spending (2010 vs. 2013 medication costs) was observed (antidyslipidemia, $88,878 vs. $168,180; antihyperglycemia, $32,372 vs. $73,518; antidepressants, $78,220 vs. $125,971; sedatives, $60,009 vs. $85,055; antihypertension, $47,115 vs. $95,134), contributing to overall treatment costs increasing almost two-fold from 2010 to 2013.

Conclusions: Among HIV-infected Taiwanese patients receiving HAART, significant increases in comorbidity prevalence with age, along with rising comorbidity medication costs, suggest the need for preventative as well as chronic care.

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http://dx.doi.org/10.1016/j.jmii.2019.05.011DOI Listing

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