On the operated side , the highest sensory block was T@ ( T@-T@ ) in the unilateral and T@ ( T@-T@ ) in the bilateral group ( P = @ ) ; the time to motor ( @ @ min in the unilateral and @ @ min in the bilateral groups , P = @ ) and sensory ( @ @ min in the unilateral and @ @ min in the bilateral groups , P = @ ) block resolution was similar in both groups .