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
60
81
141
Pearson Chi-Square 6.3
p = 0.012
Empirical effect size w = 0.5
Empirical power = 1.0