Complication

Expected (%)

Observed (%)

Perioperative Death

2.46

2 (1.83)

Stroke < 48 hours

1.48

0 (0.00)

Stroke > 48 hours

1.48

1 (0.92)

New-Onset Hemodialysis

5.38

1 (0.92)

Reoperation for Bleeding

5.63

4 (3.67)