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Table 3 Median ICS dose increase following initial FeNO reading, split by FeNO category

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) -