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Table 2 Comparisons between and within groups in terms of RRI at different times

From: The predictive value of the renal resistive index for contrast-induced nephropathy in patients with acute coronary syndrome

Variable RRI
Total CIN (+) CIN (−)
Pre-procedure 0.66 ± 0.05 0.68 ± 0.05a 0.66 ± 0.05
1 h after procedure 0.66 ± 0.07 0.71 ± 0.05ab 0.65 ± 0.06b
24 h after procedure 0.67 ± 0.06 0.70 ± 0.05b 0.66 ± 0.06b
  1. aP < 0.05 within groups; bP < 0.05 between groups
  2. RRI Renal resistive index, CIN Contrast-induced nephropathy