| Before β agonist FEV1 ⩾90% of value at allocation | ||
| Daytime symptom score ⩽120% of preallocation* baseline | Yes=1 point | No=0 points |
| β Agonist use ⩽135% of preallocation* | Yes=1 point | No=0 points |
| baseline | Yes=1 point | No=0 points |
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