From: Using fractional exhaled nitric oxide (FeNO) to diagnose steroid-responsive disease and guide asthma management in routine care
Initial FeNO reading
Total
p-value (Kruskal Wallis)
Low
Intermediate
High
n (%)
276 (55.5)
135 (27.2)
86 (17.3)
497 (100.0)
<0.001
Median (IQR) ICS dose increase (μg)
0 (0–261)
152 (0–382)
219 (109–429)
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