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. Author manuscript; available in PMC: 2017 Aug 1.
Published in final edited form as: Am J Obstet Gynecol. 2016 Mar 12;215(2):235.e1–235.e8. doi: 10.1016/j.ajog.2016.03.008

Table 4. Single SNPs genotype-based analyses for spontaneous preterm birth <34 weeks.

Gene SNP Model OR p aORa p HWEb
MMP1 rs7945189 Recessive 17.05 3.0ˆ10-4 20.25 1.41ˆ10-4 No
MMP2 rs11639960 Recessive 10.32 2.0ˆ10-4 12.37 7.62ˆ10-5 No
LIFR-AS1 rs6451398 Recessive 7.00 3.2ˆ10-4 6.93 4.03ˆ10-4 Yes
a

Adjusted for prior preterm birth

b

Based on frequencies of the alleles in the entire cohort