Table 1

Mean differences (95% CI) in spirometry, oscillometry, type 2 inflammation and asthma control pre-benralizumab versus post-benralizumab

Mean difference (95% CI)
FEV1 (mL)230 (88, 373)**
FEV1 (%)8.8 (3.7, 13.8)**
FEF25–75 (L/s)0.156 (−0.064, 0.377)
FEF25–75 (%)4.9 (−2.1, 11.9)
FVC (mL)248 (102, 394)**
FVC (%)8.4 (4.1, 12.6)***
FEV1/FVC1.4 (−1.3, 4.1)
R5 (kPa/L/s)−0.03 (−0.10, 0.03)
R5 (%)−12.0 (−30.5, 6.5)
R20 (kPa/L/s)−0.02 (−0.06, 0.01)
R5–R20 (kPa/L/s)−0.01 (−0.06, 0.04)
X5 (kPa/L/s)0.05 (−0.01, 0.11)
AX (kPa/L)−0.40 (−1.09, 2.97)
Fres (Hz)−0.50 (−3.22, 2.21)
FeNO (ppb)0 (−11, 11)
PBE (cells/µL)−430 (−584, to −277)***
ACQ−1.2 (−1.8, −0.6)***
  • **p<0.01, ***p<0.001.

  • ACQ, Asthma Control Questionnaire; AX, reactance area; FEF25−75, forced expiratory flow rate between 25% and 75% of forced vital capacity; FeNO, fractional exhaled nitric oxide; FEV1, forced expiratory volume in 1 second; PBE, peripheral blood eosinophils.