PMP22 and Guillain-Barre syndrome: As presented in Table 6, the following NAE types correlated with the severity of case outcome with a p-value <0.05: aseptic meningitis (χ2 = 64.89, p<0.001), AIE (χ2 = 6.55, p=0.01), CIDP (χ2 = 14.58, p<0.001), GBS (χ2 = 7.37, p=0.01), MG (χ2 = 31.69, p<0.001), myelitis (χ2 = 7.04, p=0.01), immune-related myopathy (χ2 = 15.92, <0.001).