Table 4.

Subgroup analysis for comparison of prevalence of VRE among isolate sources.

Isolate Source	Number of Studies	Prevalence (%)	95% CI	I2 (%)	Q	Heterogeneity Test
						DF	p
Clinical	8	19.9	12.5–27.2	195.18	145.362	7	<0.001
Environmental	7	27.2	17.3–37.2	95.33	128.519	6	<0.001
Animal	4	32.9	5.1–60.7	96.37	82.535	3	<0.001
Overall	19	25.3	19.8–30.8	96.26	480.667	18	<0.001