Univariate Analysis: Predictors of Six Month Viral Suppression After Change to Second-Line ART in a Cohort of HIV-Infected Children Failing 1st Line ART in Durban, South Africa.

Univariate Analysis: Predictors of Six Month Viral Suppression After Change to Second-Line ART in a Cohort of HIV-Infected Children Failing 1st Line ART in Durban, South Africa.单变量分析（Univariate Analysis）：南非德班地区一线抗逆转录病毒治疗（Antiretroviral Therapy，ART）失败的HIV感染儿童队列中，转为二线抗逆转录病毒治疗后六个月病毒抑制的预测因素。