Characteristics of Atopic Bronchial Asthma in Seniors over 80 Years of Age

Table 3

Comparison of exhaled nitric oxide in young and old patients with asthma.

Subjects	FENO (ppb), seniors; (mean ± SD)	FENO (ppb), youth; (mean ± SD)	𝑃^∧
All with asthma	41.2±15.04	32.74±12.62	<0.05
Smokers with asthma	46.09±25.33	39.09±15.66	<0.05
Nonsmokers with asthma	38.03±13.2	27.8±11.09	<0.05

^∧Student’s 𝑡-test for unrelated samples with Bonferroni correction.