From: Relationship between the Asthma Control Test (ACT) and other outcomes: a targeted literature review
Outcome | Number of studies, na | Studies reporting correlation, n (n reporting statistical significance) | Studies reporting association, n (n reporting statistical significance) |
---|---|---|---|
Asthma Control Questionnaire | 7 | 68–13 (5)8–12 | 114 (0) |
Use of rescue medication | 10 | 215,16 (2)15,16 | 817–24 (4)17,18,22,23 |
Number of asthma exacerbations | 10 | 226,27(2) 26,27 | 817,22,23,28–32 (7)22,23,28–32 |
Lung function | 17 | 83,15,27,33–37 (5b)3,34–37 | 911,13,18,38–43 (7b)11,13,38–40,42,43 |
General HRQoL | 7 | 0 (0) | 749–55 (5b)49,50,52–54 |
Asthma-related QoL | 7 | 528,34,44–46(5)28,34,44–46 | 247,48 (2)47,48 |
Sleep quality | 6 | 245,56(2)45,56 | 556–60 (2b)58,59 |
Work and productivity | 7 | 163 (1)63 | 649,51,53,55,64,65 (2)49,65 |
Healthcare resource use | 17 | 163 (0) | 1647,49,51,53–55,67–76 (8b)54,55,67,69,71,72,74,75 |
Healthcare costs | 6 | 0 (0) | 650,65,70,76–78 (1b)77 |