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目的:分析住院患者梅毒抗体感染及分布情况，为梅毒预防和控制提供参考依据。方法:采用梅毒螺旋体抗体酶联免疫吸附试验(TP-ELISA)对太仓市第一人民医院2015年1月至2017年11月住院患者80 478例进行梅毒抗体初筛，初筛阳性者用梅毒螺旋体明胶颗粒凝集试验(TPPA)确认，用梅毒甲苯胺红不加热血清反应素试验(TRUST)确定滴度，对检测结果进行分析。结果:80 478例住院患者TP-ELISA法初筛阳性1 326例(TPPA确认阳性1 223例，弱阳性101例，阴性2例)。2015年、2016年、2017年TP-ELISA阳性率分别为1.62%(445/27 394)、1.72%(490/28 412)、1.58%(389/24 672)，差异无统计学意义(n P>0.05)。男、女患者阳性率分别为2.02%(689/33 985)、1.37%(635/46 479)，差异有统计学意义(χn 2＝52.91，n P＝0.00)。≤18岁、>18～59岁、>59～79岁、>79岁年龄段阳性率分别为0.32%(7/2 161)、1.44%(765/53 001)、2.31%(488/21 163)、1.50%(62/4 153)，>59～79岁阳性率最高，与其他三组差异均有统计学意义(χn 2＝37.08、67.05、10.80，均n P59～79岁阳性率最高，老年病例增加较快，应重视梅毒的防治工作，有效阻止梅毒的传播。“,”Objective:To understand the infection and distribution of syphilis in hospitalized patients, thus to provide reference for syphilis prevention and control.Methods:TP-ELISA test was used to examine early syphilis antibody, and adopted the TPPA test to validation syphilis antibody, and TRUST was used to determine the titer of syphilis antibody in 80 478 hospitalized patients from January 2015 to November 2017, then the results were retrospectively analyzed.Results:Among 80 478 inpatients, 1 326 cases were positive by TP-ELISA test(1 223 cases positive, 101 cases weak positive and 2 cases negative by TPPA confirmed). The positive rates of TP-ELISA in different years were 1.62%(445/27 394), 1.72%(490/28 412) and 1.58%(389/24 672), respectively, and the difference was not statistically significant(n P>0.05). The positive rates of male and female patients were 2.02%(689/33 985) and 1.37%(635/46 479), and the difference was statistically significant(χn 2=52.91, n P=0.00). The positive rates of ≤18 years old, >18-59 years old, >59-79 years old and>79 years old were 0.32%(7/2 161), 1.44%(765/53 001), 2.31%(488/21 163) and 1.50%(62/4 153), respectively.The highest proportion of syphilis patients was in the group of >59-79 years old, and the differences were statistically significant compared with the other groups(χ n 2=37.08, 67.05, 10.80, all n P59-79 years old group, and the number of elderly cases increased rapidly.Therefore, the effective interventions should be developed to control the transmission of syphilis according to the epidemiological features.