Table 2.
Results at the end of the study.
| Variables | SMSa group (n=53) | Control group (n=88) | P value | |||||
| Adherence %, mean (SD) | 70 (17) | 69 (17) | .82 | |||||
| Morning adherence %, mean (SD) | 80 (23) | 78 (19) | .44 | |||||
| Evening adherence %, mean (SD) | 59 (29) | 60 (24) | .75 | |||||
| Asthma Control Test score, mean (SD) | 21.6 (3.7) | 22.1 (3.5) | .46 | |||||
| FeNOb level, ppbc, mean (SD) | 36.5 (35.5) | 28.3 (22.0) | .14 | |||||
| FEV1d before bronchodilation test, % predicted, mean (SD) | 77.3 (16.2) | 80.9 (18.0) | .42 | |||||
| FEV1 after bronchodilation test, % predicted, mean (SD) | 85.9 (12.4) | 84.5 (16.2) | .73 | |||||
| Exacerbation episodes , n (%) | .22 | |||||||
|
|
0 | 37 (84) | 68 (92) | — | ||||
|
|
1 | 7 (16) | 5 (7) | — | ||||
|
|
≥2 | 0 | 1 (1) | — | ||||
| Visits to emergency department, n (%) | .43 | |||||||
|
|
0 | 40 (91) | 71 (95) | — | ||||
|
|
1 | 4 (10) | 4 (5) | — | ||||
|
|
≥2 | 0 | 0 | — | ||||
| Hospital admission for asthma, n (%) | 0 | 0 | — | |||||
aSMS: short message service.
bFeNO: exhaled nitric oxide.
cppb: parts per billion.
dFEV1: forced expiratory volume in 1 second.