From: Surgical bleeding in patients undergoing posterior lumbar inter-body fusion surgery: a randomized clinical trial evaluating the effect of two mechanical ventilation mode types
Group
0
1
2
Sum
P value
VCV
29(74.4%)
3(7.7%)
7(17.9%)
39(100%)
PCV
30(75%)
3(10%)
6(15%)
59(74.7%)
6(8.9%)
13(16.5%)
78(100%)