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. 2012 Sep 12;8:68. doi: 10.1186/1744-8069-8-68

Table 4.

Linear regression analyses of association betweenGCH1-SNP combination and hormonal contraceptives use among patients with current treatment (n = 36)

 
Coital VAS pain score
  df F p
GCH1-SNP combination
1
4.71
.037*
Hormonal contraceptives use
1
.11
.726
GCH1- SNP combination *hormonal contraceptives use
1
4.69
.038*
 
Adj R2 = 0.084
 
PPT arm
 
df
F
p
GCH1- SNP combination
1
4.64
.039*
Hormonal contraceptives use
1
1.49
.233
GCH1- SNP combination *hormonal contraceptives use
1
4.632
.039*
 
Adj R2 = 0.054
 
PPT leg
 
df
F
p
GCH1- SNP combination
1
3.92
.056
Hormonal contraceptives use
1
2.21
.147
GCH1- SNP combination *hormonal contraceptives use
1
3.90
.057
  Adj R2 = 0.058

SNP = single nucleotide polymorphism, VAS = visual analogue scale, PPT = pressure pain threshold.