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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
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