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Table 8 Distribution of genealogy types in GJB2(+) and GJB2(−) subgroups

From: The high frequency of GJB2 gene mutation c.313_326del14 suggests its possible origin in ancestors of Lithuanian population

  Positive family history Negative family history Total
GJB2 (−) 17 40 57
GJB2 (+) 43 41 84
Total 60 81 141
Pearson Chi-Square 6.3 p = 0.012
Empirical effect size w = 0.5 Empirical power = 1.0