Predictive analysis of 25-(OH)D3,IGF-1 and complement C3 on progression in children patients with Henoch-Sch?nlein purpura
Objective To analyze the expression levels of 25-hydroxyvitamin D3[25-(OH)D3],insulin-like growth factor 1(IGF-1)and complement C3 in children patients with Henoch-Schönlein purpura(HSP)and their predictive efficiency on disease progression.Methods A total of 102 children patients with HSP ad-mitted and treated in this hospital from June 2018 to June 2023 were selected as the study subjects and includ-ed in the observation group.They were divided into the mild group(35 cases),moderate group(41 cases)and severe group(26 cases)according to the severity degree.Additionally,50 healthy children undergoing physical examination during the same period served as the control group.The differences in serum 25-(OH)D3,IGF-1 and complement C3 levels were compared among the groups,as well as their correlations with the disease se-verity.Logistic regression analysis was used to determine the influencing factors of disease progression in chil-dren patients with HSP,and the value of 25-(OH)D3,IGF-1 and complement C3 in predicting disease progres-sion was assessed by using the receiver operating characteristic(ROC)curve.Results The levels of 25-(OH)D3 and C3 in the observation group were lower than those in the control group,while the level of IGF-1 was higher than that in the control group(P＜0.05).The levels of 25-(OH)D3 and C3 in the severe group were lower than those in the mild group and moderate group,moreover the moderate group was lower than the mild group(P＜0.05).The level of IGF-1 in the severe group was higher than that in the mild group and moderate group,moreover the moderate group was higher than the mild group(P＜0.05).The Spearman correlation a-nalysis results indicated that the levels of 25-(OH)D3 and complement C3 were negatively correlated with dis-ease severity(r=-0.375,-0.576,P＜0.05),while the level of IGF-1 was positively correlated with the dis-ease severity(r=0.866,P＜0.05).The ROC curve analysis results revealed that the area under the curve(AUC)of the combined detection of 25-(OH)D3,complement C3 and IGF-1 for predicting the disease pro-gression was the maximal(0.888),the sensitivity was 81.4％,the specificity was 82.0％and the Youden in-dex was 0.634.Conclusion 25-(OH)D3,IGF-1 and complement C3 have the higher sensitivity and specificity in comprehensively assessing the disease progression of children patients with HSP,and possess the higher clinical value on the risk evaluation of the disease progress in the children patients with HSP.
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