Fig. 4From: Do fragments and glycosylated isoforms of alpha-1-antitrypsin in CSF mirror spinal pathophysiological mechanisms in chronic peripheral neuropathic pain? An exploratory, discovery phase studyPain intensity vs AT spot 111. Scatter plot of Visual Analogue Scale Pain Intensity (0–100 mm) last week (VASPI) vs. spot optical density (SOD) of alpha-1-antitrypsin (AT) spot 111 in the cerebrospinal fluid of patients with peripheral neuropathic pain (n = 11). Spearman’s rho = − 0.781, p = 0.005Back to article page