Figure 4

Kaplan–Meier plot of Cumulative incidence of eMCS in subgroups of evoked potentials including somatosensory evoked potential (SEP) grading (A) and brainstem auditory evoked potentials (BAEP) grading (B). Number of cases for SEP and BAEP was 286 and 228 respectively. Abbreviations as in Fig. 3.