Fig. 1From: Prognostic ability of the German version of the STarT Back tool: analysis of 12-month follow-up data from a randomized controlled trialBoxplots for STarT-G subgroups low-, medium- and high-risk groups versus CPGS at 12 months. CPGS = Chronic Pain Grade Scale, DS = disability score, STarT-G = German version of the STarT-Back Tool. n = 243Back to article page