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Table 1 Prevalence of atopy via positive skin prick tests and high serum IgE among females and males

From: DNA methylation loci associated with atopy and high serum IgE: a genome-wide application of recursive Random Forest feature selection

 

Epigenetic subsample

Full cohort

Subsample vs full cohort

Outcome variables

Females

Males

χ 2

Females

Males

χ 2

(n = 245)

(n = 122)

P-value

(n = 786)

(n = 750)

P-value

Atopy

At least one positive

76 (31.4 %)

49 (40.8 %)

0.097

159 (35.6 %)

194 (47.7 %)

Females: 0.30

All negative

166 (68.6 %)

71 (59.2 %)

287 (64.4 %)

213 (52.3 %)

Males: 0.22

IgE

IgE ≥ 200 kU/L

24 (23.8 %)

18 (41.9 %)

0.047

66 (25.9 %)

81 (32.5 %)

Females: 0.78

IgE < 200 kU/L

77 (76.2 %)

25 (58.1 %)

189 (74.1 %)

168 (67.5 %)

Males: 0.31