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Table 4 Postoperative characteristics

From: Factors influencing postoperative atrial fibrillation in patients undergoing on-pump coronary artery bypass grafting, single center experience

Variable No AF (n = 168) AF (n = 84) P value
Ventilation time (Hs) 16.1 ± 12.12 23 ± 15.1 0.003
Potassium (mmol/l) 4.56 ± 1.12 3.47 ± 0.84 0.044
Phosphorus (mmol/l) 1.15 ± 0.49 0.67 ± 0.37 0.095
Magnesium (mmol/l) 1.16 ± 0.47 0.58 ± 0.29 0.032
Infection 2 (1.2%) 3 (3.5%) 0.168
Stroke 3 (1.8%) 4 (4.8%) 0.125
Bleeding 2 (1.2%) 8 (9.5%) 0.0003
Shock 1 (0.6%) 11 (13.1%) <0.001
Renal failure 25 (14.9%) 15 (17.8%) 0.362
ICU stay 3.8 ± 1.48 5.58 ± 2.97 0.019
Length of stay 11.57 ± 8.15 32.21 ± 13.52 0.023
Mortality 1 (0.6%) 1 (1.2%) 0.555
  1. Postoperative Serum level of electrolytes Potassium (normal value 3.5–5 mmol/l), Phosphorus (normal value 0.8–1.5 mmol/l) Magnesium (normal value 0.75–0.95 mmol/l)