Is the platelet to lymphocyte ratio a promising biomarker to distinguish acute appendicitis? Evidence from a systematic review with meta-analysis

Lianjie Liu, Zhuo Shao, Hang Yu, Wei Zhang, Hao Wang and Zubing Mei

PLOS ONE, 2020, vol. 15, issue 5, 1-15

Abstract: Background: Although several previous studies have examined the association between the platelet to lymphocyte ratio (PLR) and acute appendicitis (AA), findings have been controversial. We aimed to systematically assess the available evidence to elucidate the overall relationship between the PLR and AA. Methods: Pubmed and Embase databases were searched for all available published literature before August, 2019 by two independent investigators for observational studies reporting the association between the PLR and AA. Random effects models were applied for all meta-analyses. Pooled standardized mean difference (SMD) and 95% confidence interval (CI) were calculated as effect estimates. Results: Eleven articles met the inclusion criteria and included in this study. Meta-analysis showed that the level of PLR in the AA group was significantly higher than that in the control group (SMD: 1.19, 95% CI: 0.75 to 1.62, P

Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0233470

DOI: 10.1371/journal.pone.0233470

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