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Table 4 Trinucleotide repeat polymorphism genotype frequency, comparing cases and controls within each of the three populations tested

From: Association study of the trinucleotide repeat polymorphism within SMARCA2 and schizophrenia

Genotype French-Canadian Tunisian Caucasian of European origin
  Case (n = 100) Control (n = 102) Case (n = 67) Control (n = 46) Case (n = 122) Control (n = 125)
-1,0 0.21 0.25 0.19 0.2 0.15 0.18
0,0 0.74 0.75 0.73 0.7 0.83 0.78
0,+1 0.05 0.01 0.07 0.11 0.02 0.04
  χ2 = 3.02, df = 2, p > 0.1 χ2 = 0.41, df = 2, p > 0.5 χ2 = 0.91, df = 2, p > 0.5