Derived Asthma Control TestTM (ACT) scores and asthma symptom severity
| Patient group# | Derived ACT score | Derived Act score | Total n | ||
| 5–14 | 15–19 | Total <20 | 20–25 | ||
| All patients | 423 (21) | 797 (39) | 1220 (59) | 842 (41) | 2062 |
| Mild intermittent symptoms | 28 (3) | 309 (31) | 337 (34) | 658 (66) | 995 |
| Mild persistent symptoms | 35 (9) | 233 (57) | 268 (66) | 140 (34) | 408 |
| Moderate persistent symptoms | 157 (42) | 193 (52) | 350 (94) | 23 (6) | 373 |
| Severe persistent symptoms | 203 (71) | 62 (22) | 265 (93) | 21 (7) | 286 |
Data are presented as n (%), unless otherwise indicated. All percentages refer to the number in the ACT group as percentage of row total. #: ACT was not evaluable for 416 out of 2,478 eligible patients. See text for more details.