Fig. 4From: Harmonization of delirium severity instruments: a comparison of the DRS-R-98, MDAS, and CAM-S using item response theoryTest characteristic curves for delirium severity instruments: Results from the BASIL study (N = 1178 daily observations). These plots for each delirium instrument show the expected score a subject would have on an instrument for a given level of delirium intensity. The distribution of delirium intensity scores in the sample is denoted on the bottom of the figureBack to article page