Table 2.

Heart rate changes in the two study groups

Heart rate (beat/min)	Group D (n = 64)	Group C (n = 64)	95% CI	P
Basal	76.36 ± 9.597	73.36 ± 8.456	-0.16, 6.16	0.063
10 min	80.28 ± 10.332	78.11 ± 9.600	-1.32, 5.66	0.220
20 min	81.11 ± 11.322	79.16 ± 10.910	-1.94, 5.84	0.322
30 min	79.45 ± 9.827	79.41 ± 10.593	-3.53, 3.62	0.979
45 min	78.52 ± 8.972	78.34 ± 10.993	-4.08, 4.44	0.932
60 min	77.36 ± 10.135	80.47 ± 12.470	-9.61, 3.41	0.343

Data are presented as mean ± standard deviation

Group D Patients injected with dexmedetomidine plus lidocaine/ epinephrine, group C Patients injected only with lidocaine/ epinephrine