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Table 1 Baseline characteristics of the study population

From: Red blood cell distribution width/platelet ratio on admission as a predictor for in-hospital mortality in patients with acute myocardial infarction: a retrospective analysis from MIMIC-IV Database

Variables

Total

survivor

non-survivor

P-Value

N = 1269

 N = 1186

 N = 83

 

Men (n, %)

843 (66.4%)

796 (67.1%)

47 (56.6%)

0.050

Age (y)

68.8 ± 12.6

68.5 ± 12.5

73.4 ± 13.0

< 0.001

Ethnicity (white, n, %)

833 (65.6%)

795 (67.0%)

38 (45.8%)

< 0.001

length of hospital stay (days)

122.4 ± 57.9

125.0 ± 57.5

85.3 ± 50.5

< 0.001

Concomitant disease (n, %)

    

Hypertension

468 (36.9%)

445 (37.5%)

23 (27.7%)

0.073

Diabetes mellitus

539 (42.5%)

505 (42.6%)

34 (41.0%)

0.773

Cardiac arrhythmia

399 (31.4%)

369 (31.1%)

30 (36.1%)

0.340

Heart failure

641 (50.5%)

597 (50.3%)

44 (53.0%)

0.638

Pulmonary hypertension

76 (6.0%)

73 (6.2%)

3 (3.6%)

0.482

Chronic pulmonary disease

119 (9.4%)

108 (9.1%)

11 (13.3%)

0.210

Peripheral vascular disease

130 (10.2%)

120 (10.1%)

10 (12.0%)

0.575

Cerebrovascular disease

50 (3.9%)

48 (4.0%)

2 (2.0%)

0.653

Renal disease

74 (5.8%)

67 (5.6%)

7 (8.4%)

0.421

Severe liver disease

13 (1.0%)

12 (1.0%)

1 (1.2%)

1.000

Laboratory metrics

    

BUN (mg/dL)

26.2 ± 19.2

25.4 ± 18.7

37.9 ± 22.7

< 0.001

Creatinine (mg/dL)

1.5 ± 1.6

1.4 ± 1.5

2.1 ± 1.7

< 0.001

Troponin T (ng/mL)

1.5 ± 3.3

1.4 ± 3.0

2.7 ± 5.6

< 0.001

CKMB (ng/mL)

38.9 ± 72.8

36.6 ± 69.2

68.2 ± 104.9

< 0.001

Glucose (mg/dL)

149.2 ± 73.2

145.4 ± 68.0

204.1 ± 114.3

< 0.001

Sodium (mEq/L)

138.6 ± 4.1

138.7 ± 4.0

137.3 ± 5.3

0.024

Potassium (mEq/L)

4.2 ± 0.6

4.2 ± 0.6

4.4 ± 0.9

0.196

RPR

0.08 ± 0.06

0.08 ± 0.06

0.11 ± 0.07

< 0.001

Lymphocyte (K/ L)

16.9 ± 9.8

17.2 ± 9.7

12.1 ± 9.7

< 0.001

Platelet (K/ L)

216.8 ± 97.3

218.5 ± 97.1

193.0 ± 98.4

0.021

RBC (m/uL)

3.9 ± 0.8

4.0 ± 0.8

3.8 ± 0.8

0.100

RDW (%)

14.6 ± 1.9

14.5 ± 1.8

15.5 ± 2.1

< 0.001

Hemoglobin (g/dL)

11.0 ± 2.3

11.0 ± 2.3

11.0 ± 2.1

0.769

MCH (pg)

30.1 ± 2.3

30.1 ± 2.3

30.2 ± 2.6

0.675

MCHC (%)

33.1 ± 1.5

33.2 ± 1.5

32.6 ± 1.5

0.002

MCV (fL)

90.8 ± 6.2

90.7 ± 6.1

92.7 ± 7.8

0.008

Treatments

    

PCI

283 (22.3%)

272 (22.9%)

11 (13.3%)

0.041

CABG

268 (21.1%)

267 (22.5%)

1 (1.2%)

< 0.001

  1. Abbreviation: CK-MB = creatine kinase-MB; BUN = blood urea nitrogen; RPR = red blood cell distribution width/platelet ratio; RBC = red blood cell; RDW = red blood cell distribution width; MCH = mean corpuscular hemoglobin; MCHC = mean corpuscular hemoglobin concentration; MCV = mean corpuscular volume; PCI = percutaneous coronary intervention; CABG = coronary artery bypass grafting
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BMC Anesthesiology

ISSN: 1471-2253

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