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Table 2 Relationship between CGG repeat mutation carrier and abortion history

From: The prevalence of CGG repeat expansion mutation in FMR1 gene in the northern Chinese women of reproductive age

CGG repeat mutation carrier Abortion history P value
Negative (n = 4534) Positive (n = 7357)
Intermediate 32(0.7%) 44(0.6%) X2 = 0.512, P = 0.474
Pre-mutation 6(0.13%) 23(0.31%) X2 = 3.748, P = 0.053
Full mutation 2(0.04%) 1(0.01%) P = 0.561*
  1. *Fisher’s exact test