ANCOVA (primary analysis)—primary outcome functional ability (FFbH-R).

<p>M = mean, SD = standard deviation; CI = confidence interval; ANCOVA = analysis of covariance; <i>P</i> = significance value; bold = significant between-group difference (<i>P</i><0.05); d = Effect size Cohen’s d for the between group difference; FFbH-R = Hannover Functional Ability Questionnaire</p><p>ANCOVA (primary analysis)—primary outcome functional ability (FFbH-R).