TY - JOUR T1 - The diagnostic value of H-index in S1 root compression JF - Journal of Neurology, Neurosurgery & Psychiatry JO - J Neurol Neurosurg Psychiatry SP - 171 LP - 172 DO - 10.1136/jnnp.44.2.171 VL - 44 IS - 2 AU - I Aiello AU - G Rosati AU - G Serra AU - M Manca Y1 - 1981/02/01 UR - http://jnnp.bmj.com/content/44/2/171.abstract N2 - The H-index was studied in 42 healthy subjects and in 20 patients showing unilateral S1 root compression. When compared to the normal subjects, all patients showed a decreased H-index, or an increased difference in H-index between the sides or both. These results indicate that both parameters are valuable in the diagnosis of S1 root impairment due to intervertebral disc protrusion. ER -