Electrodiagnostic data presented in Table 3 indicate that WBC is significantly different between the three different patterns of the EMG‐NCV study and its highest level is seen in the AIDP group and the lowest level in the normal EMG pattern (p = 0.015), also regarding CRP, a significant difference was seen between three groups (p = 0.025). Here, CRP is linked to Guillain-Barre syndrome, familial.