From: Validation of the ERS standard citric acid cough challenge in healthy adult volunteers
Time point | KoKo DigiDoser (n = 39) | Pearson Correlation | Mefar Dosimeter (n = 39) | Pearson Correlation |
---|---|---|---|---|
 | %Δ Mean C2 log mM (95%CI) |  | %ΔMean C2 log mM (95%CI) |  |
1 hr | -1.57 (-5.01-1.86) | 0.76 | -9.79 (-0.28 - -0.08) | 0.74 |
2 hr | -3.14 (-7.50-1.23) | 0.67 | -10.70 (-18.0 - -3.41) | 0.63 |
4 hr | -2.08 (-6.12-1.96) | 0.75 | -11.69 (-19.09 - -4.30) | 0.60 |
2 wk | 1.36 (-3.04-5.75) | 0.67 | -8.24 (-15.71 - -0.78) | 0.56 |