Fig. 4From: Protection of remote ischemic preconditioning against acute kidney injury: a systematic review and meta-analysisMeta-regression results of reduction of acute kidney injury (AKI) by remote ischemic preconditioning (RIPC). Meta-regression of age (a), percentage of male (b), percentage of hypertension (c), percentage of diabetes mellitus (DM) (d), percentage of dyslipidemia (e), baseline estimated glomerular filtration (eGFR) (f), cardiopulmonary bypass (CPB) time (g), cross-clamp time (h) and dose of contrast medium (i) on log risk ratiosBack to article page