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Values for methacholine PD20 and FEV1 according to whether given first or second in sequence.
| Montelukast first vs montelukast second | Placebo first vs placebo second | |||
|---|---|---|---|---|
| Methacholine PD20 (µg) | 135 (68) | 72 (23) | 60 (16) | 64 (50) |
| FEV1 (% predicted) | 75 (7) | 80 (4) | 74 (4) | 66 (7) |
Values are shown as means (SE) while for methacholine PD20 values are geometric means (geometric SE). There were no significant differences when comparing first vs second sequence values for either montelukast or placebo.
