Fig. 3From: Frail phenotype is associated with distinct quantitative electroencephalographic findings among end-stage renal disease patients: an observational studyRepresentative topographical images from the same candidates with ESRD in Fig. 2, one with moderate to severe frailty (upper row; based on DTABR [a] and DAR [b]) and the other with none to mild frailty (lower row; based on DTABR [c] and DAR [d]). DAR, delta-alpha ratio; DTABR, delta-theta-to-alpha-beta ratioBack to article page