Clinical Implications of Oscillatory Lung Function during Methacholine Bronchoprovocation Testing of Preschool Children

Figure 5

Z-scores of Rrs5 as a function of frequency at which wheezing developed. Condition () was applied when the test was stopped because changes in resistance and reactance reached a certain point (a); Condition () was applied when the test was stopped due to signs of respiratory distress (b). There were no significant differences in Z-scores in Conditions 1 and 2 (− versus −, ).

(a)

(b)