2.1. Population and Study Design
Undetectable HIV viral load
HIV INFECTION
From 1 November 2020 to 1 August 2021, a retrospective multicentre study was conducted at 13 hospitals in Spain. Data from 1032 virologically suppressed HIV patients over 18 years old who switched to DTG plus 3TC were collected. Included variables comprise demographics, HIV infection, comorbidities, efficacy in viral suppression, and immune recovery, safety, and tolerability. Since the experimental design requires the study to compare CD4+ and CD8+ lymphocyte counts in individuals at different stages, these data should be considered matched data. Undetectable HIV viral load was considered when <50 copies/mL.REDcap was used as an online electronic database [