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Table 2 Comparison of stomach contents of rice frog (Fejervarya limnocharis) between two habitats by Wilcoxon rank-sum test

From: Changes of diet and dominant intestinal microbes in farmland frogs

   Mean Std. Dev Median Range Z value P
Number of prey item Natural habitat 2.82 2.48 2 1 ~ 10 −2 0.045
Farmlands 1.33 0.71 1 1 ~ 3
Number of prey category Natural habitat 1.76 0.9 2 1 ~ 4 −2 0.036
Farmlands 1.11 0.33 1 1 ~ 2
Volume of prey(mm3) Natural habitat 134.1 140.04 71.2 2.09 ~ 396.05 −1.53 0.12
Farmlands 38.77 26.2 32.98 0.78 ~ 78.54