Value of serum procalcitonin combined with soluble triggering receptor expressed on myeloid cells-1 in the differential diagnosis of bacterial and viral diarrhea in children
YANG Xue-Li, BAI Jing, SONG Zi-Xia, ZHANG Juan, LIANG Min
Department of Pediatrics, Nanchong Central Hospital, Second Clinical Medical College of North Sichuan Medical College, Nanchong, Sichuan 637000, China
Abstract：Objective To study the value of serum procalcitonin (PCT) combined with soluble triggering receptor expressed on myeloid cells-1 (STREM-1) in the differential diagnosis of bacterial diarrhea and viral diarrhea in children. Methods A retrospective analysis was performed on the medical data of 73 children with bacterial infectious diarrhea (bacteria group) and 68 children with viral infectious diarrhea (virus group) who were treated from February 2018 to May 2019. The receiver operating characteristic (ROC) curve was used to analyze the diagnostic efficacy of serum PCT and STREM-1 for bacterial infectious diarrhea and viral infectious diarrhea. Results Compared with the virus group, the bacteria group had significantly higher detection rates of fecal red blood cells (79% vs 43%, P < 0.05) and pus (51% vs 19%, P < 0.05), as well as significantly higher serum levels of PCT and STREM-1 (P < 0.05). The ROC curve analysis showed that in the differential diagnosis of bacterial infectious diarrhea and viral infectious diarrhea, serum PCT had a cut-off value of 0.97 ng/mL and an area under the ROC curve (AUC) of 0.792, and STREM-1 had a cut-off value of 15.66 ng/mL and an AUC of 0.889. Serum PCT combined with STREM-1 had an AUC of 0.955, which was significantly higher than that of each index alone (P < 0.05). Conclusions Children with bacterial diarrhea have increased serum levels of PCT and STREM-1 than those with viral diarrhea. Both serum PCT and STREM-1 can be used as the indices for the differential diagnosis of bacterial diarrhea and viral diarrhea in children, and the combined measurement of PCT and STREM-1 can improve the efficiency of differential diagnosis.
YANG Xue-Li,BAI Jing,SONG Zi-Xia et al. Value of serum procalcitonin combined with soluble triggering receptor expressed on myeloid cells-1 in the differential diagnosis of bacterial and viral diarrhea in children[J]. CJCP, 2020, 22(8): 887-891.
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