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Table 2 Demographic Differences Between Clusters 1 and 2

From: Autism, spectrum or clusters? An EEG coherence study

A. Gender Difference
Group Male Female Total
 C1 146 23 169
 C2 215 46 261
Total 361 69 430
Pearson ChiSquare = 1.228; df = 1; p = ns
B. Handedness
Group Right Left Total
 C1 159 10 169
 C2 254 7 261
Total 423 17 430
Pearson ChiSquare = 2.827; df = 1; p = ns
C. Age at EEG study
Group Mean Age Yrs   Std Dev
 C1 4.3769 +/− 2.9645
 C2 4.8548 +/− 2.8444
Student’s T = 1.67 p = ns
  1. ns not significant