Table 2.

Comparison of heart rate in beats per minute between the study groups

Parameter	Control group (n=30)	Dexmedetomidine group (n=30)	P
HRBL	77.9±12.7	81.1±13.4	0.357
HR1	84.9±14.8	87.2±17.0	0.574
HR3	83.7±13.0	85.6±15.6	0.612
HR5	79.9±13.0	83.3±14.4	0.347
HR10	78.0±13.4	81.6±13.1	0.293
HR15	76.6±12.6	81.3±13.6	0.177
F #	32.649 (P<0.001)	20.614 (P<0.001)

n=number of patients; HR, heart rate. BL=baseline and1, 3, 5, 10, 15 represent the predefined time points after scalp block. ^#Repeated measure ANOVA test