IOS-defined SAD prevalence
| Study reference | IOS measure | Prevalence of SAD in the cohort |
|---|---|---|
| Anderson et al. [39] | R5–R20 | 65% BTS 2 64% BTS 3 70% BTS 4 |
| Postma et al. [12] | R5–R20 | 42% |
| Cottini et al. [43] | R5–R20 | 73% GINA 1 |
| Cottini et al. [16, 23] | R5–R20 | Overall 62% 58% GINA 2 61% GINA 3 63% GINA 4 78% GINA 5 |
| Abdo et al. [15] | R5–R20 | Overall 63% 53% GINA 2–3 75% GINA 4–5 |
| Alfieri et al. [40] | R5–R20 | 48% |
| Manoharan et al. [41] | R5–R20 | 42% |
| Yi et al. [42] (cough variant asthma) | R5–R20 | 73% |
BTS: British Thoracic Society
