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Table 3 Associations between OPN haplotypes and risk of knee OA

From: OPN gene polymorphisms influence the risk of knee OA and OPN levels in synovial fluid in a Chinese population

Haplotype analysis*       
-156G/GG -443C/T -66T/G Cases (frequency) Controls (frequency) Chi2 Pearson's P Odds ratio (95% CI)
G C T 166 194. 4.451 0.065 0.789 (0.633, 1.092)
G T G 218 262 8.044 0.005 0.754 (0.620, 0.917)
G C T 209 206 0.206 0.650 0.953 (0.775, 1.172)
G T G 154 177 3.422 0.064 0.806 (0.642, 1.013)
GG C T 273 145 37.47 0.000 1.943 (1.566, 2.409)
GG C G 222 165 6.324 0.012 1.317 (1.062, 1.633)
GG T T 231 210 0.181 0.670 1.045 (0.854, 1.278)
  1. *All haplotypes with frequency < 0.03 are ignored in this analysis.