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Table 3 RCT Methodological Characteristics

From: Inhaled ciclesonide versus inhaled budesonide or inhaled beclomethasone or inhaled fluticasone for chronic asthma in adults: a systematic review

Author

Year

Population

Comp.

Duration

Conceal-ment

Blinding

Random-isation

Attrition

Balance at baseline

Equal handling

Kanniess et al

2001

No. completing

15

BUD

2 weeks crossover

3–8 weeks washout

No info about allocation

Participant

Yes

Yes but no evidence of method

1 (5.25%)

no

yes

  

Mean age

33

   

Admin.

no

    
  

Stable

yes

   

Observer

yes

    
  

Non smokers only

yes

   

Analyst

?

    
  

Mean FEV1 % pred:

94

         

Nave et al

2005

No. completing

18

BUD

Combined treatment Oropharyngeal washings taken at 0 mins on day 1, 15 mins on day2, 30 mins on day 3, 45 mins on day 4 and 60 mins on day 5.

No info about allocation

Participant

no

Yes but no evidence of method

0

yes

yes

  

Mean age

33

   

Admin.

no

    
  

Stable

yes

   

Observer

no

    
  

Non smokers only

no

   

Analyst

?

    
  

Mean FEV1 % pred:

?

         

Lee, Fardon et al

2005

No. completing

14

FP

4 weeks crossover 2 weeks washout

No info about allocation

Participant

yes

Yes but no evidence of method

6 (30%)

yes

yes

  

Mean age

47

   

Admin.

?

    
  

Stable

yes

   

Observer

?

    
  

Non smokers only

yes

   

Analyst

?

    
  

Mean FEV1 % pred:

77

         

Lee, Haggart et al

2004

No. completing

19

FP

4 weeks crossover 2 weeks washout

No info about allocation

Participant

yes

Yes but no evidence of method

4 (17.5%)

yes

yes

  

Mean age

45

   

Admin.

?

    
  

Stable

yes

   

Observer

?

    
  

Non smokers only

yes

   

Analyst

?

    
  

Mean FEV1 % pred:

90

         

Richter et al

2005

No. completing

18

FP

Combined treatment Treatement 5–14 days (5 treatments in total at 0, 15, 30, 45 and 60 minutes). Minimum 1 day washout

No info about allocation

Participant

no

Yes but no evidence of method

0

yes

yes

  

Mean age

37

   

Admin.

no

    
  

Stable

yes

   

Observer

no

    
  

Non smokers only

no

   

Analyst

?

    
  

Mean FEV1 % pred:

91

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