CD14 Gene Variants and Their Importance for Childhood Croup, Atopy, and Asthma

Table 1

Demographics characteristics of asthma, atopy, and croup groups.

Characteristics	Asthma (𝑛=533)		Atopy (𝑛=499)		Croup (𝑛=533)
	Yes; 𝑛 (%)	No; 𝑛 (%)	Yes; 𝑛 (%)	No; 𝑛 (%)	Yes; 𝑛 (%)	No; 𝑛 (%)
Mean age (SD) years	9.7 (2.2)	9.9 (2.3)	10.3 (2.3)^#	9.8 (2.3)	10.5 (2.4)	9.8 (2.3)
Sex
Male	56 (22.0)^#	199 (78.0)	68 (27.6)**	178 (72.4)	18 (7.1)	237 (92.9)
Female	43 (15.5)	235 (84.5)	44 (17.4)	209 (82.6)	17 (6.1)	261 (93.9)
ETS exposure
Yes	19 (19.6)	78 (80.4)	19 (20.4)	74 (79.6)	8 (8.2)	89 (91.8)
No	80 (18.3)	356 (81.7)	93 (22.9)	313 (77.1)	27 (6.2)	409 (93.8)
Farming exposure
Yes	45 (20.5)	175 (79.5)	46 (21.7)	166 (78.3)	13 (5.9)	207 (94.1)
No	54 (17.3)	259 (82.7)	66 (23.0)	221 (77.0)	22 (7.0)	291 (93.0)

^∗∗𝑃<0.01,  ^#𝑃<0.10.
Mean comparison of yes/no groups performed using Student’s 𝑡-test. Frequency comparison of yes/no groups performed using Chi-square test. 𝑛 number and the numbers in parenthesis are the percentages.