Table 1.
Items | Composite definition of severe asthma clinical remission used by Menzies-Gow et al. (all criteria needed) [1] | Severe asthma remission and/or super-responder criteria from Delphi processes [5, 6] | Consistency |
---|---|---|---|
Daily symptoms | ACQ score ≤ 0.75 at 6 and 12 months | ACQ score ≤ 0.75 or < 1.0 for ≥ 12 months | Yes at 12 months, no at 6 months |
Exacerbation | Zero exacerbations at 6 and 12 months | Exacerbation elimination for ≥ 12 months | Yes at 12 months, no at 6 months |
OCS | Zero OCS use at 6 and 12 months | Cessation of maintenance OCS for ≥ 12 months | Yes at 12 months, no at 6 months |
Lung function | Pre-BD FEV1 increase ≥ 100 mL at 6 and 12 months | ≥ 500 mL improvement in FEV1 for ≥ 12 months | No |
ACQ Asthma Control Questionnaire, BD bronchodilator, FEV1 forced expiratory volume in 1 s, OCS oral corticosteroids