Studies which reported sexually transmitted infections and HIV prevalence among money boys in China.

#Number of people who were voluntary provided blood sample for HIV/STI testing, this number is not the same as the total sample size (number of participates recruited in the study).*MSM venues include bars, clubs, saunas, bathhouses and massage parlors where MSM congregate.†RDS: Respondent Driven sampling.∧HBV: Hepatitis B virus; HCV: Hepatitis C virus; HIV: Human immunodeficiency virus; HSV-2: Herpes simplex virus 2.¶EIA: Enzyme immunoassay; ELISA: Enzyme-linked immunosorbent assay; RPR: Rapid Plasma Reagin; TPPA: Treponema pallidum Particle Agglutination assay; TRUST: Toluidine red unheated serum test.# 自愿提供血液样本用于人类免疫缺陷病毒（Human immunodeficiency virus，HIV）/性传播感染（Sexually Transmitted Infection，STI）检测的人数，该数值与研究总样本量（即研究招募的参与者总数）并不一致。 † 男男性行为者（MSM）场所包括男男性行为者聚集的酒吧、俱乐部、桑拿房、公共浴场及按摩院。 † 应答者驱动抽样（Respondent Driven Sampling，RDS）： ∧ 乙型肝炎病毒（Hepatitis B virus，HBV）；丙型肝炎病毒（Hepatitis C virus，HCV）；人类免疫缺陷病毒（HIV）；单纯疱疹病毒2型（Herpes simplex virus 2，HSV-2） ¶ 酶免疫测定（Enzyme immunoassay，EIA）；酶联免疫吸附试验（Enzyme-linked immunosorbent assay，ELISA）；快速血浆反应素试验（Rapid Plasma Reagin，RPR）；梅毒螺旋体颗粒凝集试验（Treponema pallidum Particle Agglutination assay，TPPA）；甲苯胺红不加热血清试验（Toluidine red unheated serum test，TRUST）