When effects of smoking, comorbidity, localization of disc herniation, absence/presence of physical activity were excluded; (A) Formation of neuropathic pain when groups 1 and 2 were compared, (B) Removal time of the sequestered disc in magnetic resonance imaging (MRI) examination when groups 1 and 2 were compared, (C) Localization of the sequestered disc when groups 1 and 2 were compared, (D) Correlation of the localization of the disk with the presence of neuropathic pain, (E) Correlation between the location of the disc and the removal time of the disc in MRI.