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. Author manuscript; available in PMC: 2014 Jun 12.
Published in final edited form as: Cochrane Database Syst Rev. 2009 Apr 15;(2):CD007313. doi: 10.1002/14651858.CD007313.pub2

Comparison 2.

Adults and Adolescents treated with Single Inhaler Therapy versus fixed dose ICS

Outcome or subgroup title No. of studies No. of participants Statistical method Effect size
1 Patients with exacerbations causing hospitalisation 3 4209 Peto Odds Ratio (Peto, Fixed, 95% CI) 0.56 [0.28, 1.09]
1.1 Single inhaler therapy versus higher dose ICS 3 4209 Peto Odds Ratio (Peto, Fixed, 95% CI) 0.56 [0.28, 1.09]
2 Patients with exacerbations treated with oral steroids 4 4280 Odds Ratio (M-H, Fixed, 95% CI) 0.54 [0.45, 0.64]
2.1 Single inhaler therapy versus higher dose ICS 3 4209 Odds Ratio (M-H, Fixed, 95% CI) 0.53 [0.44, 0.63]
2.2 Single inhaler therapy versus same dose ICS 1 71 Odds Ratio (M-H, Fixed, 95% CI) 1.42 [0.29, 6.86]
3 Serious Adverse Events (fatal) 3 4209 Peto Odds Ratio (Peto, Fixed, 95% CI) 0.37 [0.05, 2.62]
3.1 Single inhaler therapy versus higher dose ICS 3 4209 Peto Odds Ratio (Peto, Fixed, 95% CI) 0.37 [0.05, 2.62]
4 Serious Adverse Events (non-fatal) 3 4209 Odds Ratio (M-H, Fixed, 95% CI) 0.97 [0.73, 1.29]
4.1 Single inhaler therapy versus higher dose ICS 3 4209 Odds Ratio (M-H, Fixed, 95% CI) 0.97 [0.73, 1.29]
5 Discontinuation due to Adverse Events 2 2586 Odds Ratio (M-H, Fixed, 95% CI) 0.57 [0.35, 0.93]
5.1 Single inhaler therapy versus higher dose ICS 2 2586 Odds Ratio (M-H, Fixed, 95% CI) 0.57 [0.35, 0.93]
6 Patients with “severe” exacerbation (time to event) 2 2586 Hazard Ratio (Fixed, 95% CI) 0.59 [0.49, 0.70]
6.1 Single inhaler therapy versus higher dose ICS 2 2586 Hazard Ratio (Fixed, 95% CI) 0.59 [0.49, 0.70]
7 PEF (Litres/min) 3 Mean Difference (Fixed, 95% CI) 22.29 [17.62, 26.95]
7.1 Single inhaler therapy versus higher dose ICS 3 Mean Difference (Fixed, 95% CI) 22.29 [17.62, 26.95]
8 FEV1 increase (Litres) 3 Mean Difference (Fixed, 95% CI) 0.10 [0.07, 0.13]
8.1 Single inhaler therapy versus higher dose ICS 2 Mean Difference (Fixed, 95% CI) 0.10 [0.08, 0.13]
8.2 Single inhaler therapy versus same dose ICS 1 Mean Difference (Fixed, 95% CI) 0.01 [−0.19, 0.21]
9 Rescue Medication Use (puffs per day) 3 Mean Difference (Fixed, 95% CI) −0.37 [−0.49, −0.25]
9.1 Single inhaler therapy versus higher dose ICS 3 Mean Difference (Fixed, 95% CI) −0.37 [−0.49, −0.25]
10 Quality of Life (Fall in ACQ score) 1 Mean Difference (Fixed, 95% CI) 0.15 [−0.46, 0.76]
10.1 Single inhaler therapy versus same dose ICS 1 Mean Difference (Fixed, 95% CI) 0.15 [−0.46, 0.76]