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ROC curves. (a) ROC curves evaluated for entropy levels equal to 3 (red line), 4 (blue line) and 5 (black line). AUC is for all cases equal to 0.68. (b) ROC curve evaluated for MTrPs area measured using color Doppler imaging. AUC of color Doppler area is 0.77.
ROC = receiver operating characteristic; AUC = area under the curve; MTrPs = myofascial trigger points.
Note: Figure is available in full color in the online version at uix.sagepub.com
