Table 2.

Details on warfarin patients

Indication for warfarin	n (%)
Atrial fibrillation	55 (56)
Atrial fibrillation with previous stroke	21 (21)
Previous embolism	7 (7.1)
Mechanical valve replacement	6 (6.1)
Atrial fibrillation with biological valve replacement	4 (4.0)
Atrial fibrillation with ischemic heart disease	3 (3.0)
Previous stroke	3 (3.0)
Methods for reversing warfarin preoperative	n (%)
Vitamin K + PCC	45 (46)
Vitamin K	33 (3.0)
PCC	14 (14)
None	7 (7.1)

PCC = four-factor prothrombin complex concentrate