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. 2014 Jul 29;83(5):426–433. doi: 10.1212/WNL.0000000000000642

Figure 1. Sensitivities and specificities of IBM categories and features.

Figure 1

(A, B) IBM categories. (C, D) IBM features. CD = clinically defined; CK = creatine kinase; CPD = clinicopathologically defined; Def = definite; EM = electron microscopy; ENMC = European Neuromuscular Center; FF = finger flexion; HF = hip flexion; IBM = inclusion body myositis; IM = Institute of Myology; KE = knee extension; MRC = Medical Research Council; PD = pathologically defined; Poss = possible; Prob = probable; RV = rimmed vacuoles; SA = shoulder abduction; TF = tubulofilaments; WE = wrist extension; WF = wrist flexion.