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Table 3 Kendall’s correlation analysis of methylation status of the oxytocin receptor gene in relation to demographic and clinical variables in patients with obsessive–compulsive disorder (n = 42)

From: Epigenetic evidence for involvement of the oxytocin receptor gene in obsessive–compulsive disorder

OXTR gene CpG island unit Age Sex Level of education BDI BAI Tics Y-BOCS
OXTR1 1 τ = 0.046 (0.679) τ = 0.001 (0.999) τ = −0.089 (0.434) τ = −0.272 (0.013) τ = −0.115 (0.296) τ = −0.082 (0.534) τ = 0.013 (0.913)
OXTR1 2 τ = 0.034 (0.760) τ = 0.157 (0.227) τ = −0.029 (0.799) τ = −0.141 (0.199) τ = −0.055 (0.617) τ = 0.082 (0.534) τ = 0.058 (0.601)
OXTR1 3 τ = 0.086 (0.434) τ = 0.168 (0.198) τ = 0.059 (0.604) τ = −0.322 (0.003) τ = −0.122 (0.267) τ = 0.087 (0.509) τ = −0.118 (0.286)
OXTR1 4 τ = 0.150 (0.171) τ = 0.011 (0.937) τ = −0.009 (0.938) τ = −0.336 (0.002) τ = −0.167 (0.128) τ = −0.077 (0.560) τ = −0.029 (0.793)
OXTR2 1 τ = −0.023 (0.839) τ = −0.119 (0.371) τ = −0.074 (0.522) τ = −0.284 (0.010) τ = −0.165 (0.137) τ = −0.156 (0.239) τ = −0.033 (0.769)
OXTR2 2 τ = −0.023 (0.839) τ = −0.129 (0.329) τ = −0.053 (0.647) τ = −0.244 (0.028) τ = −0.153 (0.169) τ = −0.135 (0.309) τ = −0.041 (0.718)
OXTR2 3 τ = 0.026 (0.821) τ = −0.039 (0.772) τ = −0.069 (0.552) τ = −0.264 (0.017) τ = −0.138 (0.215) τ = −0.098 (0.461) τ = −0.043 (0.701)
OXTR2 4 τ = −0.021 (0.857) τ = −0.068 (0.611) τ = −0.050 (0.663) τ = −0.234 (0.035) τ = −0.130 (0.241) τ = −0.104 (0.437) τ = −0.046 (0.684)
OXTR2 5 τ = −0.021 (0.857) τ = −0.071 (0.591) τ = −0.066 (0.567) τ = −0.259 (0.019) τ = −0.135 (0.223) τ = −0.072 (0.590) τ = −0.048 (0.668)
  1. OXTR oxytocin receptor, CpG cytosine-phosphate-guanine, BDI Beck Depression Scale Inventory, BAI Beck Anxiety Scale Inventory, Y-BOCS Yale-Brown Obsessive–Compulsive Scale, τ Kendall’s tau rank correlation coefficient
  2. Values are presented as τ (p)