At 4 weeks , proportion of subjects responding ( GOS score 2 ) in the two arms ( lafutidine 45.61 % vs. pantoprazole 48.33 % , P = 0.854 ) or showing symptom resolution ( GOS score 1 ) ( lafutidine 12.28 % vs. pantoprazole 5.00 % ; P = 0.197 ) were comparable .