Table 5.

Trim and fill analysis of the prevalence of CPE in Ethiopia

Method	Pooled est.	95% CI		Asymptotic		No. of studies
		Lower	Upper	z-value	p-value
Fixed	2.556	2.071	3.042	10.323	0.000	21
Random	5.440	3.963	6.916	7.219	0.000
Test for heterogeneity: Q = 130.257 on 20 degrees of freedom (p = 0.000)
Moment-based estimate of between studies variance = 7.775
Trimming estimator: Linear
Meta-analysis type: Fixed-effects model
Iteration	Estimate	Tn	# To trim		Diff
1	2.556	198	8		231
2	2.079	213	10		30
3	1.972	218	10		10
4	1.972	218	10		0
Filled
Meta-analysis
Method	Pooled est.	95% CI		Asymptotic		No. of studies
		Lower	Upper	z-value	p-value
Fixed	1.972	1.503	2.442	8.240	0.000	31
Random	2.316	0.689	3.942	2.790	0.005
Test for heterogeneity: Q = 256.906 on 30 degrees of freedom (p = 0.000)
Moment-based estimate of between studies variance = 14.681