Fig. 5From: Longitudinal variation in human immunodeficiency virus long terminal repeat methylation in individuals on suppressive antiretroviral therapyPrincipal component analysis. Factorial analysis using principal components with varimax rotation was used to describe data structure. a–c Factor scores for the three top factors that together explained 51% of the total variance are shown for each follow-up time-point for 12 participants on short-term ART. d–f Time trends for each of the three factors are shown. Color denotes participants classified in the constant methylation and the methylation increase groupsBack to article page