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Table 2 Comparison between the study groups as regards the operative and postoperative data

From: Strain and strain rate echocardiographic imaging predict occurrence of atrial fibrillation in post-coronary artery bypass grafting patients

Operative data No POAF POAF P-value
Count 61 28
Cross-clamp (min) 72.4 ± 17.7 65.2 ± 12.6 0.056
Bypass time (min) 101.9 ± 19.7 94.3 ± 10.6 0.060
Number of grafts
 One 4 (6.6%) 0 (0%) 0.388
 Two 23 (37.7%) 11 (39.3%)
 Three or more 34 (55.7%) 17 (60.7%)
Postoperative data
K level (mmol/L) 4.0 ± 0.5 4.0 ± 0.5 0.984
Cardiac supports
  Inotropes 42 (68.9%) 21 (75%) 0.554
  IABP 3 (4.9%) 4 (14.3%) 0.200
Postoperative complications
 MI 8 (13.1%) 3 (10.7%) 1.000
 Stroke 2 (3.3%) 4 (14.3%) 0.075
Hospital stay (days) 10.4 ± 2.3 11.5 ± 1.8 0.021