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Table 1 Demographic Data (n = 125)

From: Does sinus rhythm conversion after cardiac surgery affect postoperative health- related quality of life?

  Study population SR12-group (N = 62) Non-SR12-group (N = 63) p-value
Age (Years) 67.9 ± 8.9 67.4 (39.0–84.0) 68.4 (46.0–81.0) .38
Weight (Kg) 79.2 ± 17.0 78.6 (49–170) 79.7 (53–111) .73
Gender (male) 79 (63.2 %) 42 (66.7 %) 37 (59.7 %) .42
Civil state     .16
  Divorced 8 (6.5 %) 7 (11.1 %) 1 (1.6 %)  
  Married 84 (87.7 %) 42 (66.7 %) 42 (68.9 %)  
  Unmarried with partner 10 (8.1 %) 5 (7.9 %) 5 (8.2 %) 0.16
  Widow(er) 22 (17.7 %) 9 (14.3 %) 13 (21.3 %)  
Education     
  Primary school 27 (22.0 %) 11 (17.5 %) 16 (26.7 %)  
  Lower education 30 (24.4 %) 15 (23.8 %) 15 (25.0 %) .52
  Intermediate education 45 (36.6 %) 24 (38.1 %) 21 (35.0 %)  
  High education 21 (17.1 %) 13 (20.6 %) 8 (13.3 %)  
Previous cardiac history     
  Atrial Fibrillation:     
  Paroxysmal AF 54 (43.2 %) 37 (58.7 %) 17 (27.4 %)  
  Permanent AF 41 (32.8 %) 11 (17.5 %) 30 (48.4 %) < .01
  Persistent AF 28 (22.4 %) 13 (20.6 %) 15 (24.2 %)  
  Atrial flutter 2 (1.6 %) 2 (3.2 %) 0 (0 %)  
  Total months of AF 82.0 ± 104.8 67.9 (3–403) 96.9 (3–617) .03
  Left Atrial Dimension (mm) 50.6 ± 7.4 48.7 (33–65) 53.3 (40–70) <.01
  Left Ventrical Ejection Fraction (%) 52.6 ± 13.5 53.2 (18–80) 51.9 (22–75) .68
Co-morbidity/Riskfactors (N = 122)     
  Hypertension 51 (41.8 %) 25 (40.3 %) 26 (43.3 %) .74
  Stroke 6 (4.9 %) 2 (3.2 %) 4 (6.7 %) .38
  Smoking:     .50
  Never 56 (46.3 %) 30 (48.4 %) 26 (44.1 %)  
  Current 16 (13.2 %) 6 (9.4 %) 10 (16.9 %)  
  Past 49 (40.5 %) 26 (41.9 %) 23 (39.0 %)  
  Positive Family History 61 (49.2 %) 27 (42.9 %) 34 (55.7 %) .15
  Diabetes 18 (14.8 %) 13 (21.0 %) 5 (8.3 %) .05
  Renal Disease 7 (5.6 %) 3 (4.8 %) 4 (6.5 %) .68
  COPD 20 (16.3 %) 8 (12.7 %) 12 (20.0 %) .27
  Previous myocardial infarction 31 (24.8 %) 19 (30.2 %) 12 (19.4 %) .16
  Cardiomyopathy 21 (17.1 %) 10 (16.1 %) 11 (18.0 %) .78
  Congenital Heart disease 7 (5.7 %) 2 (3.2 %) 5 (8.3 %) .22
  Systolic Blood Pressure (mmHg) 141.9 ± 26.6 144.7 (70–200) 139.3 (80–190) .28
  Diastolic Blood Pressure (mmHg) 79.4 ± 17.8 82.3 (40–180) 76.5 (40–110) .18
Pre-operative complaints (N = 123)     
  Palpitations 51 (41.5 %) 28 (45.2 %) 23 (37.7 %) .40
  Dyspnea 98 (79.7 %) 48 (77.4 %) 50 (82.0 %) .53
  Angina 49 (40.2 %) 24 (39.3 %) 25 (41.0 %) .85
  (Pre-) Syncope 7 (5.7 %) 3 (4.8 %) 4 (6.6 %) .68
  Dizziness 32 (26.0 %) 17 (27.4 %) 15 (24.6 %) .72
  Fatigue 62 (50.4 %) 31 (50.0 %) 31 (50.8 %) .93
  Other complaints 12 (9.8 %) 5 (8.1 %) 7 (11.7 %) .50
Operative data (N = 125)     
  Coronary Artery Bypass Grafting 39 (31.2 %) 23 (36.5 %) 16 (25.8 %)  
  Valve replacement 50 (40.0 %) 24 (38.1 %) 26 (41.9 %) .11
  CABG and Valve replacement 28 (22.4 %) 15 (23.8 %) 13 (21.0 %)  
  Other cardio-surgery 8 (6.4 %) 1 (1.6 %) 7 (11.3 %)  
  1. Abbreviations: SR Sinus Rhythm, AF Atrial Fibrillation, COPD Chronic obstructive pulmonary disease, CABG Coronary artery bypass graft