Study ID |
Outcomes |
Boner 1995 |
Daily use of beta2 agonist
No numerical data available |
Burke 1996 |
Bronchial responsiveness to histamine (PC20 FEV1)
No standard deviation values available for logged data
% change FEF 25‐75 compared to baseline
% change in PEFR compared to baseline
Data not presented in a usable form for above outcomes |
de Jong 1996 |
Bronchial responsiveness to methacholine (PC20 FEV1)
Data not presented in a usable form |
Essen‐Zandvliet 1992 |
Daily use of beta2 agonist
Data reported using medians and ranges |
Gleeson 1988 |
% predicted morning PEFR
% predicted evening PEFR
No standard deviation values available for above outcomes
Nocturnal cough and wheeze score
A significant carryover effect was present for this outcome: first period data only not available |
Henriksen 1985 |
% predicted FEV1
No standard deviation values available |
Heuck 1997 |
Morning PEFR
Evening PEFR
No standard deviation values available for above outcomes |
Jatakanon 1998 |
Diurnal PEFR variability
Daily asthma symptom score
Daily use of beta 2 agonists
No numerical data available for above outcomes |
Jonasson 1998 |
FEV1
FEF 25, 50, 75
Morning PEFR
Daytime symptom score
Night‐time symptom score
Bronchial responsiveness to methacholine (PD20 FEV1)
No numerical data available |
Juniper 1990 |
Bronchial responsiveness to methacholine (PC20 FEV1)
Data not in form suitable for analysis |
Kivity 1994 |
Change in FEV1 compared to baseline
No standard deviation values available
Daily symptom score
Daily use of beta2 agonist
No numerical data available
Bronchial responsiveness to methacholine (PD20 FEV1)
Data not in a usable form for analysis |
Kuo 1994 |
Bronchial responsiveness to methacholine (PC20 FEV1)
Data not in a usable form for analysis (log transformed values not available) |
Osterman 1997 |
Bronchial responsiveness to histamine (PD20 FEV1)
No standard deviation values available for logged data |
Swystun 1998 |
Allergen bronchial responsiveness PC15 FEV1
Methacholine bronchial responsiveness PC15 FEV1
No standard deviation values available for above outcomes |
Tan 1998 |
Histamine bronchial responsiveness (PC20 FEV1)
Data not presented in a usable form |
Wong 1994 |
Change in morning PEFR compared to baseline
Change in evening PEFR compared to baseline
Change in daytime asthma symptom score compared to baseline
Change in rescue beta2 agonist use compared to baseline
Change in early and late allergen bronchial responsiveness (PC20 FEV1) compared to baseline
Above outcomes reported using medians and ranges, analysed using non‐parametric statistics |
Wongtim 1995 |
Daily asthma symptom score
Weekly use of beta2 agonist
No standard deviation values available for above outcomes
Bronchial responsiveness to methacholine (PC20 FEV1)
Data not presented in a usable form |
Yates 1996 |
Methacholine bronchial responsiveness (PC20 FEV1)
Asthma symptom score
Data not in a form usable for meta‐analysis |
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