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Table 5 ADAM33 promoter methylation levels between the AR and control groups stratified by environmental risk factors

From: Interaction between early-life pet exposure and methylation pattern of ADAM33 on allergic rhinitis among children aged 3–6 years in China

Variable AR Mean ADAM33 promoter methylation levels Control Mean ADAM33 promoter methylation levels
N 130   154  
Maternal allergic history     
 Yes 75 (57.69) 0.2018 ± 0.008417 70 (45.45) 0.2073 ± 0.01042
 No 55 (42.31) 0.2029 ± 0.007894 84 (54.55) 0.2081 ± 0.01130
P-value   0.346   0.897
Exposed to pet     
 Yes 49 (37.69) 0.2012 ± 0.008346 40 (25.97) 0.2098 ± 0.01172
 No 81 (62.31) 0.2044 ± 0.007349 114 (74.03) 0.2062 ± 0.01015
P-value   0.009   0.290
  1. Values are presented as means ± SD or numbers. A comparison between AR and control groups by Mann–Whitney U test. Significant results are in italics