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Post hoc analysis of change from baseline in (A) ALSFRS-R Total Score, (B) ALSFRS-R Fine Motor Domain and (C) ALSFRS-R Gross Motor Domain score by progressor tertiles. ALSFRS-R: Amyotrophic Lateral Sclerosis Functional Rating Scale Revised; FP: fastest progressors; LS: least squares; MP: middle progressors; SP: slowest progressors.
