“…There were 37,110 HIV-infected patients in total, with females representing approximately 28%. Thirty-one studies (61%) were conducted in low-and middleincome countries with the highest number of studies (n = 8) reported in India [22,27,29,30,45,47,59,61], followed by six studies in Nigeria [24,31,34,36,50,54], and four studies each in Brazil [23,32,41,44], Norway [15,16,55,62], and USA [17,39,40,53]. Nonetheless, studies conducted in high-income countries were generally larger in size (n = 30,120 participants), compared with studies conducted in low-and middleincome countries (n = 7488).…”