Autonomic function tests at baseline of anti-gAChR Ab positive AAG patients.

Anti-gAChRα3 Ab = ganglionic acetylcholine receptor α3 antibody; Anti-gAChRβ4 Ab = ganglionic acetylcholine receptor β4 antibody; A.I. = Antibody Index; OH = orthostatic hypotension; HUTT = head-up tilt test; CV R-R = CV = coefficient of variation R-R interval; H/M ratio = heart-to-mediastinum ratio in 123I-MIBG myocardial scintigraphy; TST = thermoregulatory sweat test; NE = norepinephrine; SSR = sympathetic skin response; QSART = quantitative sudomotor axon reflex test; CSF = cerebrospinal fluid Autonomic function tests at baseline of anti-gAChR Ab positive AAG patients.