Methodological issues on evaluating agreement between two detection methods by Cohen’s kappa analysis
2022
Li, Ming | Yu, Tianfei
We read with great interest the article by Hendershot et al. (Parasit Vectors 14:473, 2021). The authors compared a PCR method for detecting Plasmodium vivax’s mitochondrial (mt) cytochrome oxidase I (COX-I) gene with the current “gold standard” circumsporozoite (CSP) ELISA for detecting circumsporozoite protein for identification of different life stages of Plasmodium vivax during development within Anopheles arabiensis. We found that Cohen’s kappa value for measuring the agreement between mt COX-I PCR and CSP ELISA was questionable. In addition, we recommend a more appropriate statistical method in this article.In short, any scientific conclusion requires support by the reasonable application of methodological and statistical methods.
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