Patients with at least 1 exacerbation requiring emergency department/acute care visit (duration 12 to 52 weeks) · Children and adults with persistent asthma.
Intermittent 'as needed' ICS showed no clear difference in patients with at least 1 exacerbation requiring emergency… compared with daily ICS (low certainty).
1 finding from 1 review
Change from baseline AM PEFR (%) (duration 44 to 52 weeks) · Children and adults with persistent asthma.
Intermittent 'as needed' ICS showed no clear difference in change from baseline AM PEFR (%) (duration 44 to 52 weeks) compared with daily ICS (moderate certainty).
1 finding from 1 review
Asthma control · Children and adults with persistent asthma.
Intermittent 'as needed' ICS showed no clear difference in proportion of asthma control days over the period (duration 44 to 52… compared with daily ICS (moderate certainty).
1 finding from 1 review
Change from baseline mean daily use of β2‐agonists (puffs/day) (duration 24 to 44 weeks) · Children and adults with persistent asthma.
Intermittent 'as needed' ICS showed no clear difference in change from baseline mean daily use of β2‐agonists (puffs/day)… compared with daily ICS (moderate certainty).
1 finding from 1 review
Change in height · Children and adults with persistent asthma.
Intermittent 'as needed' ICS probably leads to higher change in height (cm) (duration 44 to 52 weeks) compared with daily ICS (moderate certainty).
1 finding from 1 review
Leaving the study early · Children and adults with persistent asthma.
Intermittent 'as needed' ICS showed no clear difference in overall withdrawals (duration 12 to 52 weeks) compared with daily ICS (low certainty).
1 finding from 1 review
Exacerbation frequency · people with bronchiectasis
14 days on/off antibiotic regimen probably leads to lower exacerbation frequency compared with 14 days on/off placebo regimen (moderate certainty).
2 findings from 1 review
RR 0.75 [0.61, 0.93]
Studies not reported
Moderate
no estimate extracted
Studies not reported
Moderate
Serious adverse events · people with bronchiectasis
28 days on/off antibiotic regimen showed no clear difference in serious adverse events compared with 28 days on/off placebo regimen (low certainty).
1 finding from 1 review
OR 1 [0.68, 1.46]
Studies not reported
Low
Antibiotic resistance · people with bronchiectasis
28 days on/off antibiotic regimen leads to higher antibiotic resistance compared with 28 days on/off placebo regimen (high certainty).
1 finding from 1 review
OR 2.2 [1.42, 3.42]
Studies not reported
High
Pulmonary exacerbations: number of hospitalisations due to respiratory exacerbations · people with bronchiectasis
28 days on/off antibiotic regimen showed no clear difference in hospitalisation for pulmonary exacerbations compared with 28 days on/off placebo regimen (high certainty).
1 finding from 1 review
OR 0.79 [0.49, 1.29]
Studies not reported
High
Health‐related quality of life · people with bronchiectasis
2 findings from 1 review
no estimate extracted
Studies not reported
Moderate
no estimate extracted
Studies not reported
Low
Exacerbation frequency · people with bronchiectasis
14 days on/off antibiotic regimen showed no clear difference in exacerbation frequency compared with 28 days on/off antibiotic regimen (moderate certainty).
2 findings from 1 review
RR 1.02 [0.84, 1.24]
Studies not reported
Moderate
no estimate extracted
Studies not reported
No studies found
Serious adverse events · people with bronchiectasis
14 days on/off antibiotic regimen showed no clear difference in serious adverse events compared with 28 days on/off antibiotic regimen (moderate certainty).
1 finding from 1 review
OR 0.83 [0.37, 1.86]
Studies not reported
Moderate
Antibiotic resistance · people with bronchiectasis
14 days on/off antibiotic regimen showed no clear difference in antibiotic resistance compared with 28 days on/off antibiotic regimen (moderate certainty).
1 finding from 1 review
OR 1 [0.68, 1.48]
Studies not reported
Moderate
Frequency of hospital admissions for pulmonary exacerbations ‐ not measured · people with bronchiectasis
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Health‐related quality of life · people with bronchiectasis
2 findings from 1 review
no estimate extracted
Studies not reported
High
no estimate extracted
Studies not reported
High
Serious adverse events · people with bronchiectasis
14 days on/off antibiotic regimen showed no clear difference in serious adverse events compared with 14 days on/off placebo regimen (high certainty).
1 finding from 1 review
OR 0.92 [0.63, 1.33]
Studies not reported
High
Antibiotic resistance · people with bronchiectasis
14 days on/off antibiotic regimen leads to higher antibiotic resistance compared with 14 days on/off placebo regimen (high certainty).
1 finding from 1 review
OR 2.14 [1.36, 3.35]
Studies not reported
High
Frequency of hospital admissions for pulmonary exacerbations ‐ not measured · people with bronchiectasis
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Health‐related quality of life · people with bronchiectasis
2 findings from 1 review
no estimate extracted
Studies not reported
High
no estimate extracted
Studies not reported
Moderate