Table 2: Change in blood pressure (Mean Arterial Pressure).

Time Control Clonidine p-value Inference
Pre-op 98.06 ± 7.12 97.77 ± 5.33 0.86 N.S.
5 min 95.00 ± 6.54 93.10 ± 6.13 0.24 N.S.
10 min 87.87 ± 9.01 85.06 ± 7.56 0.19 N.S.
15 min 83.26 ± 7.99 83.48 ± 6.05 0.90 N.S.
20 min 81.00 ± 7.80 79.26 ± 5.91 0.33 N.S.
25 min 79.45 ± 8.72 77.71 ± 7.06 0.39 N.S.
30 min 78.68 ± 8.35 76.71 ± 9.25 0.38 N.S
45 min 80.29 ± 9.40 76.65 ± 9.23 0.13 N.S
60 min 83.00 ± 10.63 75.03 ± 9.06 0.002 S
90 min 85.45 ± 9.50 76.94 ± 6.99 0.001 S
120 min 87.71 ± 8.90 77.32 ± 8.10 0.001 S
150 min 89.06 ± 15.09 77.45 ± 6.17 0.001 S

N.S., Not Significant; S, Significant p-value = 0.0002 which was statistically significant in the clonidine group.