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Table 2 In-hospital outcomes of study participants with emergency colorectal surgery

From: Association of pre-operative chronic kidney disease and acute kidney injury with in-hospital outcomes of emergency colorectal surgery: a cohort study

 Total
n = 3002
CKD(-)AKI(-)
n = 1963
CKD(-)AKI(+)
n = 541
CKD(+)AKI(-)
n = 340
CKD(+)AKI(+)
n = 59
ESRD
n = 99
P value
Primary outcome
 In-hospital mortality, %13.38.623.815.328.832.3< 0.001
Secondary outcomes
 Use of mechanical ventilation on the next day of surgery or later, %26.921.143.824.744.146.5< 0.001
 Use of mechanical ventilation on the next day of surgery or later, %6.54.010.78.215.321.2< 0.001
 Blood transfusion during hospitalization, %38.630.256.846.855.968.7< 0.001
  Red cell concentrate, %35.127.351.243.252.563.6< 0.001
  Platelet concentrate, %4.73.08.34.110.216.2< 0.001
  Fresh-frozen plasma, %24.318.041.025.039.045.5< 0.001
 Post-operative RRT, %9.64.011.310.628.896.0< 0.001
  Continuous RRT, %7.33.810.48.522.046.5< 0.001
  Intermittent RRT, %4.20.42.02.911.990.9< 0.001
 Length of hospital stay in hospital survivors (days), median [IQR]23 [14–40]21 [13–35]33 [20–55]27 [16–42]37 [18–58]34 [24–69]< 0.001
  1. AKI acute kidney injury, CKD chronic kidney disease, ESRD end-stage renal disease, IQR interquartile range, RRT renal replacement therapy