Objective To analyze the characteristics and influencing factors of HIV-1 associated neurocognitive disorders(HAND)in treatment-naive HIV-1 infected patients in Shenzhen,and provide a scientific basis for early intervention formedical staff. Methods The Montreal cognitive assessment scale Beijing edition and self-made questionnaire wereadministered for a cross-sectional survey,combined with clinical and laboratory serological indexes in treatment na?ve HIV-1 infected participants. Results Suspected neurocognitive impairment accounted for 46....