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Table 1 Differences between influencing factors of AKI and non-AKI groups

From: Predicting the risk of acute kidney injury after cardiopulmonary bypass: development and assessment of a new predictive nomogram

Influencing factors

AKI, n=288

Non-AKI, n=794

Total, n=1082

Preoperative factors

 Age

57 (49, 66)

51 (43, 62)

54 (45, 63)

 Sex

  Male

202 (70.1%)

388 (48.9%)

590 (54.5%)

  Female

86 (29.9%)

406 (51.1%)

492 (45.5%)

 Diabetes

  Yes

20 (6.9%)

32 (4.0%)

52 (4.8%)

  No

268 (93.1%)

762 (96.0%)

1030 (95.2%)

 Hypertension

  Yes

99 (34.4%)

130 (16.4%)

229 (21.2%)

  No

189 (65.6%)

664 (83.6%)

853 (78.8%)

 Anemia

  Yes

93 (32.3%)

205 (25.8%)

298 (27.5%)

  No

195 (67.7%)

589 (74.2%)

784 (72.5%)

Intraoperative factors

 CPB time

186 (122, 230)

161 (105, 203)

168 (110, 208)

 RBC

5.5 (1.5, 7)

3.6 (0, 5.5)

4.1 (0, 6)

 Plasma

460 (0, 600)

321 (0, 600)

358 (0, 600)

 Cryoprecipitate

4 (0, 0)

2.3 (0, 0)

2.7 (0, 0)

 Albumin

100 (20, 100)

95 (20, 100)

96 (20, 100)

 Voluven®

376 (0, 500)

391 (0, 500)

387 (0, 500)

 Gelofusine®

354 (0, 768)

232 (0, 500)

264 (0, 500)

 Equilibrium liquid

2156 (1425, 2500)

2095 (1500, 2500)

2111 (1500, 2500)

 5% SBS

70 (0, 90)

32 (0, 0)

42 (0, 0)

 Furosemide

8 (0, 20)

7 (0, 15)

7 (0, 15)

 Intraoperative blood loss

894 (300, 800)

565 (300, 600)

653 (300, 600)

 Urine

1436 (600, 2000)

1485 (800, 2000)

1472 (800, 2000)