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 |