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Table 4 Group demographics

From: Corticosteroid therapy in regressive autism: a retrospective study of effects on the Frequency Modulated Auditory Evoked Response (FMAER), language, and behavior

  STAR group (n = 20) NSA group (n = 24) t-test p
Age at first study (years) 3.909 +/− 1.248 4.522 +/− 1.800 1.29 n.s.
Time between studies (years) 2.136 +/− 1.609 1.904 +/− 0.989 0.49 n.s.
Age at regression (months) 18.925 +/− 9.928    
Length of regression (weeks) 20.053 +/− 12.70    
Length of treatment (months) 9.125 +/− 3.26    
Gender 18 males, 2 females 18 males, 6 females   n.s.
Handedness 18 right, 2 left 23 right,1 left   n.s.
Subjects with history of regression (n) 20 of 20 7 of 24   0.0001