sentences:  Briefly, four groups with doses of 15 mg, 45 mg, 90 mg, and 135 mg, and a 5th group with 0.75 mcg of alfacalcidol were evaluated.The counts of people who had a 'moderate improvement' or greater were recorded.The 15-mg group had 26.9%, the 45-mg – 46%, the 90-mg – 49%, and the 135-mg had 50.9% of subjects with a moderate improvement or greater.