question: Compared to placebo and sucralose what was the result of sitagliptin and d-xylose on peak blood glucose?
context: Both peak blood glucose and the amplitude of glycemic excursion were lower after PX and SC than PC (P < 0.01 for each) and were lowest after SX (P < 0.05 for each), while overall blood glucose was lower after SX than PC (P < 0.05).