Table 3: Change in pulse rate.

Time	Control	Clonidine	P value	Inference
Pre-op	82.65 ± 10.94	84.29 ± 12.90	0.056	N.S.
5 min	81.45 ± 12.68	80.10 ± 12.01	0.053	N.S.
10 min	80.41 ± 10.43	79.58 ± 10.91	0.057	N.S.
15 min	78.12 ± 10.30	78.32 ± 12.38	0.053	N.S.
20 min	76.71 ± 9.72	77.19 ± 12.72	0.21	N.S.
25 min	74.94 ± 9.35	74.45 ± 12.54	0.11	N.S.
30 min	74.03 ± 9.74	71.94 ± 11.89	0.026	S
45 min	71.39 ± 9.97	67.48 ± 11.84	0.031	S
60 min	70.94 ± 11.02	65.77 ± 9.81	0.023	S
90 min	70.32 ± 11.10	64.46 ± 9.18	0.01	S
120 min	70.42 ± 10.60	62.16 ± 9.40	0.043	S
150 min	71.97 ± 10.70	61.39 ± 9.67	0.035	S