Surgical bleeding in patients undergoing posterior lumbar inter-body fusion surgery: a randomized clinical trial evaluating the effect of two mechanical ventilation mode types

Table 8 Diastolic blood pressure in studied groups throughout operative time

Time	VCV group		PCV group		P value
Time	Mean	SD	Mean	SD	P value
Before induction	87.03	13.61	83.62	11.63	0.238
After induction	74.23	14.16	71.44	12.64	0.361
After change of position (from supine to prone)	77.49	16.57	79.13	16.16	0.659
15 min	72.26	14.30	72.00	15.28	0.939
30 min	67.67	13.51	65.69	12.94	0.512
45 min	65.74	13.45	60.74	12.61	0.094
60 min	64.97	13.60	59.46	10.56	0.049
75 min	65.74	13.24	60.90	9.43	0.066
90 min	66.79	13.03	61.41	9.83	0.043
105 min	67.38	11.59	61.59	9.61	0.019
120 min	66.05	13.57	61.33	9.05	0.075
End of surgery	71.31	12.83	65.82	11.36	0.049
After repositioning (from prone to supine)	73.74	12.77	70.10	10.16	0.168
Extubation time	72.00	16.72	72.28	8.36	0.925
Recovery	74.87	10.78	72.03	8.42	0.198

ISSN: 2047-783X