After 30-day treatment , the effective rate ( 94.29 % , 33/35 ) in the comprehensive treatment group was apparently better than 68.75 % ( 22/32 ) in the acupoint injection group , 80.00 % ( 32/40 ) in the neural electrical stimulation group , 67.50 % ( 27/40 ) in the swallowing training group and 42.86 % ( 12/28 ) in the blank group separately .