LOAs = Limits of agreement. AUC0-30min = Area under the
curve up to the thirtieth minute. Mean FEV1fallmax% =
mean percentage maximum decrease in FEV1 compared to
baseline. Bias* = Mean difference (SD) in FEV1fallmax%
between 2 days. Bias** = Mean difference in AUC0-30min(SD) between 2 days.