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Table 1 Baseline characteristics between survivors and non-survivors

From: Predictive value of glycemic gap and stress glycemia ratio among critically ill patients with acute kidney injury: a retrospective analysis of the MIMIC-III database

 

All patients

(2255)

Survivors

(n = 2000)

Non-survivors

(n = 255)

P value

Age

67 ± 14

67 ± 14

69 ± 14

0.136

Male, n (%)

1429 (63.4)

1278 (63.9)

151 (59.2)

0.144

Ethnicity, n (%)

   

0.001

 White

1403 (62.2)

1270 (63.5)

133 (52.2)

 

 Black

179 (7.9)

158 (7.9)

21 (8.2)

 

 Other

673 (29.8)

572 (28.6)

101 (39.6)

 

Admission type, n (%)

   

0.001

 Observation

299 (13.3)

269 (13.5)

30 (11.8)

 

 Elective

200 (8.9)

192 (9.6)

8 (3.1)

 

 Emergency

905 (40.1)

782 (39.1)

124 (48.6)

 

 Urgency

851 (37.7)

758 (37.9)

93 (36.5)

 

 MAP, mmHg

82.1 ± 18.8

82.1 ± 18.8

81.9 ± 19.2

0.849

 Serum creatinine, mg/dl

1.7 ± 1.8

1.7 ± 1.9

1.8 ± 1.4

0.829

 eGFR, mL/min/1.73m2

58.5 ± 30.6

59.5 ± 31.0

50.5 ± 27.1

< 0.001

 HbA1c, %

6.5 ± 1.7

6.5 ± 1.7

6.4 ± 1.7

0.481

 Acute glycemia, mg/dl

160.2 ± 93.6

158.4 ± 93.6

180.0 ± 100.8

0.001

 Chronic glycemia, mg/dl

140.4 ± 46.8

140.4 ± 46.8

138.6 ± 48.6

0.482

 SHR

1.2 ± 0.6

1.2 ± 0.6

1.3 ± 0.7

< 0.001

 Glycemic gap, mg/dl

5.4 (-20.4, 44.4)

3.7 (-21.1, 40.6)

21.8 (-14.2, 75.9)

< 0.001

 Hypoglycemia

32 (1.4)

26 (1.3)

6 (2.4)

0.181

 Hyperglycemia

1016 (45.1)

864 (43.2)

152 (59.6)

< 0.001

Comorbidities, n (%)

 Diabetes

510 (22.6)

463 (23.2)

47 (18.4)

0.090

 Hypertension

511 (22.7)

455 (22.8)

56 (22.0)

0.777

 AMI

308 (13.7)

269 (13.5)

39 (15.3)

0.110

 Heart failure

548 (24.3)

484 (24.2)

64 (25.1)

0.596

 Chronic liver disease

62 (2.7)

49 (2.5)

13 (5.1)

0.015

 Cancer

106 (4.7)

85 (4.3)

21 (8.2)

0.005

 CKD

393 (17.4)

349 (17.5)

44 (17.3)

0.938

 COPD

20 (0.9)

17 (0.9)

3 (1.2)

0.601

Scoring systems

 SAPSII

41.7 ± 13.6

40.7 ± 13.1

49.1 ± 15.1

< 0.001

AKI stage

   

0.048

 Stage 1

1928 (85.5)

1697 (84.9)

231 (90.6)

 

 Stage 2

87 (3.9)

80 (4.0)

7 (2.7)

 

 Stage 3

240 (10.6)

223 (11.1)

17 (6.7)

 

 RRT use, n (%)

388 (17.2)

295 (14.8)

93 (36.5)

< 0.001

 Vasopressin use, n (%)

968 (42.9)

809 (40.5)

159 (62.4)

< 0.001

 Insulin use, n (%)

1737 (77.0)

1557 (77.9)

180 (70.6)

0.009

 ICU LOS, day

7.8 ± 7.8

7.5 ± 7.5

10.4 ± 9.3

< 0.001

  1. HbA1c Hemoglobin A1c, eGFR Estimated glomerular filtration rate, COPD Chronic obstructive pulmonary disease, MAP Mean artery pressure, SHR Stress hyperglycemia ratio, SAPSII Simplified acute physiology score II, AKI Acute kidney injury, ICU Intensive care unit, LOS Length of stay, RRT Renal replacement therapy
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BMC Nephrology

ISSN: 1471-2369

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