Table 3 Logistic regression analysis of factors associated with occurrence of postoperative atrial fibrillation (POAF) (matched population)

Baseline

 CCI (for 1-point increase)

0.94 (0.86–1.02)

0.15

0.96 (0.85–1.09)

0.54

 Male sex

1.08 (0.74–1.59)

0.70

1.19 (0.71–2.01)

0.52

 History of paroxysmal atrial fibrillation

2.45 (1.70–3.54)

 < 0.001*

2.94 (1.75–4.92)

0.001*

 Time to surgery > 48 h

2.36 (1.62–3.43)

 < 0.001*

1.66 (1.01–2.81)

0.05*

 Duration of surgery (min)

1.01 (1.00–1.02)

0.03*

0.99 (0.99–1.01)

0.18

 Hypokalemia

1.16 (0.68–1.98)

0.59

1.68 (0.84–3.35)

0.14

Therapeutics

 Femoral block

1.54 (1.10–2.15)

0.01*

0.86 (0.56–1.33)

0.50

 > 2 units of packed RBCs in ER or RR

4.88 (2.28–10.4)

 < 0.001*

3.94 (1.50–10.3)

0.005*