We interpreted the I 2 statistic as follows: 0–40% heterogeneity may not be significant, 30–60% may indicate moderate heterogeneity, 50–90% may indicate substantial heterogeneity, and 75–100% may indicate considerable heterogeneity [ 27 ].
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Trimetazidine as an adjunct to standard hydration reduces the incidence of contrast-induced acute kidney injury in patients with renal insufficiency undergoing coronary angiography or percutaneous cardiac intervention: a systematic review and meta-analysis.
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