Fig. 3
From: Dysautonomia and small fiber neuropathy in post-COVID condition and Chronic Fatigue Syndrome
Heat and cold evoked potentials. The results shown are the mean of each group for the different tests. N refers to first definitive negative peak, and P to the first definitive positive peak after the trigger. ***p ≤ 0.001. HC: Healthy Controls; ME/CFS: Myalgic Encephalomyelitis/Chronic Fatigue Syndrome