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Table 9 Pearson’s correlation analysis for some basic factors associated with total neuro-sonography score in (ALS group)

From: Role of neuro-sonography of peripheral nerves as a diagnostic and a differentiation tool of amyotrophic lateral sclerosis

Associated factor Total neuro-sonography score
R P
Age (years) − 0.1769  = 0.3496
Age of onset (years) − 0.1515  = 0.4243
Disease duration (years) − 0.2125  = 0.2684
ALS-FRS scale 0.1663  = 0.3977
  1. r: Pearson’s rho (correlation coefficient)