Table 2.

Block Characteristics

Block characteristics (min)	Groups			P
	1	2	3	1/2/3	1/2	2/3	1/3
Sensory Block Onset	13.5±4.1	15.6±3.6	20.1±5.3	<0.001	0.409	0.006	0.001
Motor Block Onset	17.0±4.1	18.5±3.7	24.9±5.6	<0.001	0.895	<0.001	<0.001
Sensory Block Duration	972.5±90.1	940.5±110.8	624.8±152.4	<0.001	1.000	<0.001	<0.001
Motor Block Duration	833.0±94.5	822.8±98.8	528.8±149.1	<0.001	1.000	<0.001	<0.001
Duration of Analgesia	1218.0±224.6	1128.0±207.5	768.0±273.6	<0.001	0.704	<0.001	<0.001

Values are expressed as the mean±SD. Group 1=Ropivacaine + dexmedetomidine, Group 2=Ropivacaine + dexamethasone, Group 3=Ropivacaine + Saline. P 1/2/3 : ANOVA used, P value 1/2, 2/3, 1/3 : t- test used. P<0.05 taken as significant