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目的探讨在三聚氰胺奶粉事件中,儿童患泌尿系统结石与食用含三聚氰胺奶粉的相关危险因素及危险程度。方法采用整群筛查方法,对8岁以下食用奶粉的儿童进行泌尿系统超声检查和问卷调查,随机抽取159例泌尿系统结石患儿和222例无泌尿系统结石儿童,将资料整理并进行两独立样本t检验、χ2检验和多因素Logistic回归分析。结果食用含三聚氰胺奶粉的儿童患泌尿系统结石的奶粉相关危险因素有奶粉品种(OR=2.680,95%CI:1.643～4.371),食用时间(OR=1.398,95%CI:1.039～1.882),食用时间比(OR=1.676,95%CI:1.344～2.091)。结论食用含三聚氰胺奶粉的儿童患泌尿系统结石的奶粉相关危险因素主要为奶粉品种、食用时间、食用时间比,患泌尿系统结石的危险性与食用时间、食用时间比呈正相关,食用高浓度三聚氰胺奶粉的危险性明显高于低浓度三聚氰胺奶粉。
Objective To investigate the risk factors and risk of urinary tract calculi in children with melamine milk powder in the case of melamine milk powder. Methods A total of 159 children with urolithiasis and 222 children without urinary tract stones were enrolled in this study. The children under 8 years of age with powdered milk were examined by ultrasound and questionnaires. The data were sorted and two independent Sample t test, χ2 test and multivariate logistic regression analysis. Results The risk factors associated with milk powder in urinary tract stones in children with melamine milk powder were milk powder (OR = 2.680, 95% CI: 1.643-4.371), consumption time (OR = 1.398, 95% CI: 1.039-1.882) Time ratio (OR = 1.676, 95% CI: 1.344 ~ 2.091). Conclusions The main risk factors associated with milk powder in children with urinary system stones that contain melamine milk powder are milk powder, consumption time, consumption time ratio, risk of urinary tract stones, consumption time and consumption time. The consumption of high concentration of melamine milk powder The risk was significantly higher than the low concentration of melamine milk powder.