Intra-operative time
(minutes)
Mean blood pressure t-test
(P)
Group D
(n=31)
Group P
(n=31)
Baseline 96.7 ± 1.5 95.8 ± 2.1 0.057
5 84.9 ± 2.5 89.0 ± 3.2 <0.0001*
10 85.2 ± 3.4 89.3 ± 3.9 <0.0001*
15 75.4 ± 2.8 78.3 ± 2.3 <0.0001*
20 70.7 ± 4.8 78.5 ± 2.8 <0.0001*
25 66.7 ± 8.5 73.3 ± 2.5 <0.0001*
30 71.6 ± 4.9 71.7 ± 6.0 0.927
40 72.8 ± 4.8 72.7 ± 3.9 0.908
50 73.8 ± 2.5 75.5 ± 2.1 0.008*
60 73.7 ± 3.9 75.7 ± 2.5 0.018*
70 73.6 ± 3.3 75.3 ± 2.3 0.023*
80 73.1 ± 3.2 75.5 ± 2.4 0.001*
*Significant at P ≤ 0.05
Table 4: Intra-operative assessment of mean blood pressure among the studied groups.