Table 2. Comparison of the onset and duration of sensory block between the groups.

D: Dexmedetomidine; X: Dexamethasone. * denotes significant p <0.05. 

Block parameters	Group D (Mean±SD)	Group X (Mean±SD)	p-value
Onset of sensory block (min)	8.34±1.493	9.06±1.449	0.016*
Onset of motor block (min)	12.02±1.450	13.54±1.388	<0.001*
Duration of sensory block (min)	866.98 ± 125.432	747.64 ± 104.502	< 0.001*
Duration of motor block (min)	834.72 ± 125.432	726.44 ± 100.585	< 0.001*