Table 2.

Plasma C-reactive protein (CRP) concentrations (mg/L) in the first week of life in the children developing atopic dermatitis (a), asthma (b) or using inhaled corticosteroid medication (c) in the study cohort

a)
Plasma CRP concentration (mg/L)	Total	Atopic dermatitis	No atopic dermatitis	P
	n = 1,331	n = 118	n = 1,213
maximum, median (IQR)	4.0 (1.0, 12.0)	3.0 (1.0, 12.0)	4.0 (1.0, 12.0)	0.92
≥ 10, No. (%)	398 (30)	34 (29)	364 (30)	0.79
≥ 20, No. (%)	230 (17)	22 (19)	208 (17)	0.68
≥ 40, No. (%)	101 (8)	10 (8)	91 (8)	0.70

b)
Plasma CRP concentration (mg/L)	Total	Asthma	No asthma	P
	n = 1,331	n = 110	n = 1,221
maximum, median (IQR)	4.0 (1.0, 12.0)	4.5 (1.0, 11.0)	4.0 (1.0, 12.0)	0.92
≥ 10, No. (%)	398 (30)	33 (30)	365 (30)	0.98
≥ 20, No. (%)	230 (17)	18 (16)	212 (17)	0.79
≥ 40, No. (%)	101 (8)	5 (5)	96 (8)	0.21

c)
Plasma CRP concentration (mg/L)	Total	Inhaled corticosteroid medication	No inhaled corticosteroid medication	P
	n = 1,331	n = 235	n = 1,096
maximum, median (IQR)	4.0 (1.0, 12.0)	4.0 (1.0, 10.0)	4.0 (1.0, 13.0)	0.30
≥ 10, No. (%)	398 (30)	63 (27)	323 (31)	0.24
≥ 20, No. (%)	230 (17)	37 (16)	186 (18)	0.47
≥ 40, No. (%)	101 (8)	10 (4)	89 (8)	0.029

Continuous data are expressed as median with IQR (Q1, Q3), and the differences between groups were assessed using Wilcoxon rank-sum test. Categorical data are expressed as percentages (number) and were assessed using the Chi square test