Table 2. Summary of results yielded under fixed-effect and random-effects models.

Outcomes	No. of trials	Fixed-effect model			Random-effects model			Heterogeneity
		Effect size	95% CI	P value	Effect size	95% CI	P value	P value	I2
DGF	6	0.84	0.60–1.18	0.32	0.89	0.61–1.28	0.52	0.40	3%
AR	4	0.95	0.62–1.46	0.81	0.96	0.62–1.49	0.86	0.51	0%
Graft loss	4	0.89	0.35–2.27	0.81	0.90	0.32–2.52	0.84	0.40	0%
50% fall in SCr	3	1.05	0.84–1.30	0.68	1.05	0.70–1.57	0.81	0.03	70%
eGFR 3m	4	1.23	-1.73–4.19	0.41	1.23	-1.73–4.19	0.41	0.61	0%
eGFR 12m	2	3.35	-1.49–8.19	0.18	3.01	-3.26–9.29	0.35	0.21	37%
Hospital stay	4	-0.73	-1.56–0.11	0.09	-0.73	-1.56–0.11	0.09	0.46	0%

DGF: delayed graft function; AR: acute rejection; SCr: serum creatinine; eGFR: estimated glomerular filtration rate; CI: confidence interval.