Diagnostic accuracy of ELISA for detecting serum Midkine in cancer patients

Xuan Jing, Xiangrong Cui, Hongping Liang, Chonghua Hao and Chongyang Han

PLOS ONE, 2017, vol. 12, issue 7, 1-14

Abstract: Midkine (MK) has been reported as the potential novel diagnostic biomarker for cancer in several studies, but their results were controversial. Therefore, we performed a diagnostic meta-analysis to assess the diagnostic value of serum MK in cancer patients. A systematic electronic and manual search was performed for relevant literatures through several databases up to June 1, 2017. The quality of the studies included in the meta-analysis was assessed using the Quality Assessment of Diagnostic Accuracy Studies (QUADAS-2) tool. All analyses were conducted using stata12.0 software. Ten studies collectively included 1119 cancer patients and 1441 controls met the eligible criteria. The summary estimates were: sensitivity 0.78 (95% CI = 0.68–0.85), specificity 0.83 (95% CI = 0.72–0.90), positive likelihood ratio 4,54 (95% CI = 2.64–7.80), negative likelihood 0.27 (95% CI = 0.18–0.40), diagnostic odds ratio 16.79 (95% CI = 7.17–39.33), and area under the curve 0.87 (95% CI = 0.84–0.89). Publication bias was suggested by Deeks’ funnel plot asymmetry test (P = 0.92). According to our results, serum MK has greater diagnostic value in diagnosing cancer, however, more reliable studies in larger cohort should be conducted to evaluate the diagnostic accuracy of serum MK.

Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0180511

DOI: 10.1371/journal.pone.0180511

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