Op time ≤ 373 min (n = 2638)

Op time > 373 min (n = 2167)

p-value

Hospital length of stay in days (SD)

12.3

13.8

0.001

Days from operation to death within the perioperative period (SD)

14.0

13.0

0.54

30-day mortality

50 (1.9%)

69 (3.2%)

0.004