In 21 days of treatment , in the auricular points group , the 1 mL liquid loversol Rosenbek penetration-aspiration score ( 1.51 + / - 0.69 ) , oral-retaining score ( 1.17 + / - 0.38 ) and throat-retaining score ( 1.30 + / - 0.66 ) were all lower than those ( 2.51 + / - 0.67 , 1.63 + / - 0.72 , 1.67 + / - 0.7 ) in the acupuncture group separately .