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Table 1 Baseline demographic and clinical characteristics in overall cohort

From: Preoperative beta-blocker in ventricular dysfunction patients: need a more granular quality metric

Variables

All patient (n = 6116)

Beta-blocker use groups

P

No (n = 2343)

Yes (n = 3773)

Age, mean (SD), years

61.3 (9.2)

61.4 (9.3)

61.3 (9.1)

0.921

Female, n (%)

988 (16.2)

402 (17.2)

586 (15.5)

0.093

BMI, mean (SD)

24.7 (3.2)

24.7 (3.1)

24.8 (3.2)

0.445

Smoking history, n (%)

3388 (55.4)

1304 (55.7)

2084 (55.2)

0.748

Diabetes mellitus, n (%)

2079 (34.0)

757 (32.3)

1322 (35.0)

0.028

Hypertension, n (%)

3353 (54.8)

1237 (52.8)

2116 (56.1)

0.012

Hyperlipemia, n (%)

1970 (32.2)

816 (34.8)

1154 (30.6)

0.001

Chronic renal failure, n (%)

113 (1.8)

37 (1.6)

76 (2.0)

0.219

COPD, n (%)

94 (1.5)

46 (2.0)

48 (1.3)

0.033

Peripheral artery disease, n (%)

260 (4.3)

103 (4.4)

157 (4.2)

0.658

Carotid disease, n (%)

1000 (16.4)

441 (18.8)

559 (14.8)

 < 0.001

Cerebrovascular accident, n (%)

527 (8.6)

191 (8.2)

336 (8.9)

0.307

Creatinine, median (25th, 75th percentile), umol/dL

82.0 (70.0,96.6)

81.7 (69.0,95.9)

44.0 (40,46)

0.132

Left main CAD, n (%)

1625 (26.6)

589 (25.1)

1036 (27.5)

0.046

Triple vessel disease, n (%)

4218 (69.0)

2275 (73.5)

1443 (61.6)

 < 0.001

Previous MI, n (%)

2561 (41.9)

952 (40.6)

1609 (42.6)

0.121

PTCA history, n (%)

760 (12.4)

255 (10.9)

505 (13.4)

0.004

CCS class

   

 < 0.001

 NA, n (%)

1181 (19.3)

508 (21.7)

673 (17.8)

 

 I, n (%)

886 (14.5)

348 (14.9)

216 (5.7)

 

 II, n (%)

2086 (34.1)

666 (28.4)

926 (24.5)

 

 III, n (%)

1606 (26.3)

680 (29.0)

1420 (37.5)

 

 IV, n (%)

357 (5.8)

141 (6.0)

538 (14.3)

 

LVEF, Mean (SD), %

42.3 (5.2)

42.3 (5.1)

42.3 (5.3)

0.484

LVEDD, Median (25th, 75th percentile), mm

49 (55, 60)

55 (47, 60)

56 (50,60)

0.002

NYHA class

   

 < 0.001

 I, n (%)

865 (14.1)

257 (11.0)

608 (16.1)

 

 II, n (%)

2252 (36.8)

864 (36.9)

1388 (36.8)

 

 III, n (%)

2694 (44.0)

1091 (46.6)

1603 (42.5)

 

 IV, n (%)

305 (5.0)

131 (5.6)

174 (4.6)

 

Atrial fibrillation, n (%)

123 (2.0)

44 (1.9)

79 (2.1)

0.559

Prior cardiovascular surgery, n (%)

69 (1.1)

23 (1.0)

46 (1.2)

0.393

Preoperative ACEI/ARB, n(%)

1951 (29.9)

535 (21.3)

1416 (35.3)

 < 0.001

STS PROM, Median (25th, 75th percentile),%

3.0 [2.1, 4.4]

2.9 [2.0, 4.3]

3.1 [2.2, 4.6]

 < 0.001

  1. ACEI, angiotensin-converting enzyme inhibitors; ARB, angiotensin receptor blockers; BMI, Body Mass Index, CAD, coronary vascular disease; CCS, Canadian Cardiovascular Society; COPD, chronic obstructive pulmonary disease; LVEDD, left ventricular end-diastolic dimension, LVEF, left ventricular ejection fraction; MI, myocardial infarction; NA, not available; NYHA, New York Heart Association; PROM, predicted risk of mortality; PTCA, percutaneous transluminal coronary angioplasty; SD, standard deviation; STS, Society of Thoracic Surgeons