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Table 4 Association between operative variables and cumulative AKI within 7 days of surgery

From: Predictors and outcome of acute kidney injury after non-cardiac paediatric surgery

Variable AKI No AKI Total χ 2 p value
Type of surgery
 Emergency surgery 16 (37.2) 27 (62.8) 43 0.104 0.747
 Elective surgery 17 (34.0) 33 (66.0) 50   
Surgery done
 Laparotomy 21 (42.9) 28 (57.1) 49 2.460 0.117
 Other operations 12 (27.3) 32 (72.7) 44   
Duration of surgery
  ≥ 87 min 16 (37.2) 27 (62.8) 43 0.104 0.747
  < 87 min 17 (34.0) 33 (66.0) 50   
Duration of anaesthesia
  ≥ 112 min 17 (35.4) 31 (64.6) 48 0.001 0.989
  < 112 min 16 (35.6) 29 (64.4) 45   
EBL
  ≥ 2.78 ml/kg 20 (43.5) 26 (56.5) 46 2.541 0.111
  <  2.78 ml/kg 13 (27.7) 34 (72.3) 47   
Intraop blood transfusion
 Yes—transfused 10 (45.5) 12 (54.5) 22 1.251 0.263
 No transfusion 23 (32.4) 48 (67.6) 71   
  1. AKI, acute kidney injury; χ2, chi-square; EBL, estimated blood loss; Intraop, intraoperative
  2. *Statistically significant