Constant score improved by a mean value of 25 ( 95 % CI 21-28 ) ( p < 0.0001 ) and of 29 ( 95 % CI 26-31 ) ( p < 0.0001 ) , respectively ; VAS score decreased by a mean value of 3.4 ( 95 % CI 2.9-3 .9 ) ( p < 0.0001 ) and of 3.6 ( 95 % CI 3.3-4 .0 ) ( p < 0.0001 ) , respectively .
