From: Mid-term outcomes of off-pump versus on-pump coronary artery bypass graft surgery; statistical challenges in comparison
On-pump
Off-pump
p value
Length of hospitalization (day)
7.896 ± 5.292
6.687 ± 3.569
< 0.001
Intubation time (hour)
14.354 ± 39.968
12.092 ± 23.548
0.003
Length of ICU admission (hour)
46.351 ± 84.146
32.812 ± 35.249