Electrophysiological diagnosis using the coefficient of variation of R‐R intervals and a point‐of‐care nerve conduction device is highly correlated to the diagnosis of diabetic polyneuropathy using conventional electromyographs. - Himeno, Tatsuhito; Kamiya, Hideki; Shibata, Yuka; Kase, Masato; Nakai‐Shimoda, Hiromi; Yamagami, Dai; Saito, Masahiro; Jojima, Teruo; Arimura, Aiko; Murotani, Kenta; Suzuki, Chieko; Mizukami, Hiroki; et al. (Journal of Diabetes Investigation, 2026)