Fig. 2From: Using machine learning of clinical data to diagnose COVID-19: a systematic review and meta-analysisCorrelations between gender and another categorical variable. a Correlation between lymphocyte level categories and gender. b Correlation between neutrophil level categories and gender. c Correlation between serum leukocyte level categories and gender. A contingency table and a bar plot of the number of patients in each level are displayed for each correlationBack to article page