Evaluation of three stone-scoring systems for predicting SFR and complications after percutaneous nephrolithotomy: a systematic review and meta-analysis

Table 4 Overall analysis of three stone-scoring systems for predicting SFR after PCNL

Outcome of interest	No.of studies	No. of patients	MD (95%CI)	p-value	Study heterogeneity
Outcome of interest	No.of studies	No. of patients	MD (95%CI)	p-value	Chi²	df	I ²	p-value
		CROES/Guy
AUC	7	1837/1837	0.09[− 0.12,0.29]	0.41	14,350.0	6	100%	<0.0001
		STONE/Guy
AUC	8	2191/2191	0.00[−0.03,0.04]	0.92	699.92	7	99%	<0.0001
		CROES/STONE
AUC	7	1662/1662	−0.00[−0.05,0.04]	0.94	491.21	6	99%	<0.0001

SFR stone free rate, PCNL percutaneous nephrolithotomy, AUC area under curve, CROES clinical research office of the endourological society scoring system, Guy Guy scoring system, S.T.O.N.E S.T.O.N.E scoring system, MD mean difference, CI confidence interval

ISSN: 1471-2490