Fig. 3From: Dimensionality, psychometric properties, and population-based norms of the Turkish version of the Chalder Fatigue Scale among adultsThe receiver operating characteristic curve for the cut-off values of the Chalder Fatigue Scale (grey square: The optimal cut-off point was set at ≥ 12 with a sensitivity of 68.6% and a specificity of 82.5%)Back to article page