Fig. 2From: The Rotterdam Elderly Pain Observation Scale (REPOS) is reliable and valid for non-communicative end-of-life patientsROC curve of the optimal sensitivity and specificity for the REPOS score. The full line represents sensitivity and specificity of de REPOS score. The dotted line represents the line for which sensitivity and specificity are equal. A horizontal and a vertical grey line are added to show the optimal cut-off value of the REPOS scoreBack to article page