Table 1 Association of serum MIF and incidence of AKI after cardiac surgery.

AKIN, Acute Kidney Injury Network. P values were calculated using the Fisher’s exact test.

Serum MIFRelative risk reduction
(95% confidence interval)
P value
≤ Median> Median
0 hours post-OP≤16.9 ng/ml>16.9 ng/ml
  AKI within 72 hours, n (%)8 (14)6 (10)0.250 (−0.900–0.704)0.552
  AKIN stage
  022 (37)24 (40)
  12 (3)6 (10)
  2 5 (8)0 (0)
  31 (2)0 (0)
  0/124 (40)30 (50)0.024
  2/36 (10)0 (0)
6 hours post-OP≤19.1 ng/ml>19.1 ng/ml
  AKI within 72 hours, n (%)10 (17)4 (7)0.600 (−0.135–0.8591)0.1253
  AKIN stage
  020 (33)26 (43)
  15 (8)3 (5)
  24 (7)1 (2)
  3 1 (2)0 (0)
  0/125 (42)29 (48)0.800 (−0.611–0.975)0.195
  2/35 (8)1 (2)
12 hours post-OP≤15.5 ng/ml>15.5 ng/ml
  AKI within 72 hours, n (%)11 (18)3 (5)0.727 (0.120–0.915)0.03
  AKIN stage
  019 (32)27 (43)
  15 (8)3 (5)
  25 (8)0 (0)
  31 (2)0 (0)
  0/124 (40)30 (50)0.024
  2/36 (10)0 (0)