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Table 5 Comparison between the three groups as regards socio-demographic results using ANOVA and Chi-square tests

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

Variable ALS group (30) Cervical group (30) Control group (30) ANOVA test
Mean ± SD Mean ± SD Mean ± SD P value
Age (years) 43.5 ± 16 52.9 ± 10.2 42.9 ± 15.7  = 0.011*
Variable ALS group (30) Cervical group (30) Control group (30) Chi-square test
P value
Gender Female 9 (30%) 13 (43.3%) 11 (36.7%)  = 0.5632
Male 21 (70%) 17 (56.7%) 19 (63.3%)
  1. ANOVA analysis of variance
  2. *Percentage of column total