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Table 2 Characteristics of the patients with and without MACE

From: Effectiveness of a new cardiac risk scoring model reclassified by QRS fragmentation as a predictor of postoperative cardiac event in patients with severe renal dysfunction

 

MACE (Death/MI/pulmonary edema)

p value

Yes (n = 28)

No (n = 228)

Demographics

Age (years)

73.7 ± 8.2

68.1 ± 12.4

0.003

Male (%)

19 (67.9)

16 (70.2)

0.801

Body mass index (kg/m2)

21.5 ± 3.0

22.1 ± 3.1

0.279

Risk factors and comorbidities

Hypertension (%)

24 (85.7)

189 (82.9)

1.000

Diabetes, all (%)

16 (57.1)

160 (70.2)

0.160

Diabetes, insulin (%)

6 (21.4)

72 (31.6)

0.271

Previous IHD (%)

18 (64.3)

88 (38.6)

0.009

Previous CHF (%)

11 (39.3)

74 (32.5)

0.469

Previous CVD (%)

7 (25.0)

49 (21.5)

0.672

Current smoking (%)

7 (25.0)

42 (18.4)

0.404

Dialysis (%)

15 (53.6)

143 (62.7)

0.347

Echocardiography

LVEF (%)

47.3 ± 14.3

50.1 ± 12.5

0.278

LVEDD (mm)

50.0 ± 6.3

50.0 ± 7.2

0.987

Electrocardiography

Atrial fibrillation (%)

2 (1.5)

12 (5.3)

0.656

QRS duration (ms)

94.6 ± 20.4

97.5 ± 17.4

0.429

ST-T changes (%)

14 (50)

81 (35.5)

0.135

fQRS on the ECG (%)

17 (60.7)

67 (29.4)

0.001

Myocardial perfusion defect (%)

14 (50.0)

81 (35.5)

0.135

High surgical risk

7 (25.0)

24 (10.5)

0.057

General anesthesia (%)

19 (67.9)

75 (32.9)

< 0.001

RCRI score

2.8 ± 1.0

2.3 ± 1.0

0.047

FRCRI score

3.4 ± 1.1

2.6 ± 1.1

0.001

  1. MACE = major advanced cardiac events; MI = myocardial infarction; IHD = ischemic heart disease; CHF = congestive heart failure; CVD = cerebrovascular disease; LVEF = left ventricular ejection fraction; LVEDD = left ventricular end-diastolic diameter; fQRS = fragmented QRS complex; RCRI = Revised Cardiac Risk Index; FRCRI = sum of Revised Cardiac Risk Index score and fragmented QRS score