Less than @ % of the patients achieved hemostasis within @ seconds in the hemostatic sponge group ; approximately @ % of the patients in the simple LED irradiation group achieved hemostasis within @ seconds ; and @ % of the patients in the LED and hemostatic sponge combined group achieved hemostasis within @ seconds , indicating that combined treatment with LED and hemostatic sponges provided a significantly higher hemostasis than in the hemostatic sponge group ( P < @ ) .