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Number of responders following administration of IB and AS.
| Parameters | IB (n = 12) | AS (n = 12) | P-Value |
|---|---|---|---|
| FVC or FEV1 | 5 (42) | 3 (25) | NS |
| sGaw | 10 (83) | 8 (67) | NS |
| R5 | 9 (75) | 7 (58) | NS |
| R20 | 7 (58) | 1 (8) | P < 0.01 |
| R5–R20 | 6 (50) | 8 (67) | NS |
Note: Responders equal the number (percent) of subjects with post-bronchodilator response attributed to action of the bronchodilator agent defined as: FVC or FEV1 ≥ 12% and 200 ml; sGaw ≥ 40%; R5, R20, R5–R20 ≥ 20%.
