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Chin retrusion responder rates (±95 percent CI) according to the Galderma Chin Retrusion Scale, assessed by blinded evaluator. A responder was defined as a subject with at least a one-point improvement from baseline according to the Galderma Chin Retrusion Scale. HARD, hyaluronic acid filler Restylane Defyne. ***p < 0.001 HArd versus no-treatment control, Fisher exact test. The 95 percent CI was calculated using the Clopper Pearson method. Observed cases.
