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(a) Differences between treatment groups in the VR-12 PCS at baseline, 3 months, 6 months, and 9 months, with reported p-value for group by time interaction. (b) Differences between males in treatment groups in the VR-12 PCS at baseline, 3 months, 6 months, and 9 months. (c) Differences between females in treatment groups in the VR-12 PCS at baseline, 3 months, 6 months, and 9 months. AU = arbitrary units, g = grams, d = day, PCS = physical component score.
