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Table 1 Baseline characteristics

From: Active clearance vs conventional management of chest tubes after cardiac surgery: a randomized controlled study

Variable

ATC (n = 257)

Standard (n = 263)

Age (yr)

66.6 ± 8.6

65.9 ± 10.8

Male

203 (79)

206 (78)

Body mass index (kg/m2)

30.0 ± 5.4

29.4 ± 5.6

LVEF

60.0 (50.0;60.0)

60.0 (50.0;65.0)

Arterial hypertension

208 (81)

213 (81)

Diabetes mellitus

113 (44)

97 (37)

Coronary artery disease

228 (87)

228 (89)

Peripheral arterial disease

48 (19)

38 (14)

COPD

48 (19)

42 (16)

Dyslipidemia

217 (84)

209 (80)

NYHA ≥ III

56 (22)

44 (17)

Unstable angina

60 (23)

69 (26)

Recent MI

78 (30)

78 (30)

Chronic kidney disease stage ≥3

31 (12)

39 (15)

Medication

 Aspirin

222 (86)

222 (84)

 Warfarin

3 (1)

4 (2)

 IV Heparin

84 (33)

94 (36)

Discontinued antiplatelet therapy

53 (21)

65 (25)

EuroSCORE II (%)

1.69 (1.00;2.73)

1.58 (1.11;2.82)

  1. Variables are presented as n (%), mean ± SD or median (IQR)
  2. ATC active tube clearance, CCB calcium channel blocker, COPD chronic obstructive pulmonary disease, IQR interquartile range, LVEF left ventricular ejection fraction, MI myocardial infarction, NYHA New York Heart Association, PCI percutaneous coronary intervention, SD standard deviation