Table 1

Characteristics of randomised controlled trials included in the analysis of fractures

SourceLocationTreatment duration, weeksCOPD criteriaDrugMale, %Mean age, years (SD)Mean % predicted FEV1 (SD)Prior ICS use (%)
Anzueto SCO100250, 2009w1 w1698 centres in the USA and Canada52FEV1/FVC <70%SFC 50/250 μg twice daily5165.4 (9.1)34 (11.1)14
Sal 50 μg twice daily5765.3 (8.8)33.9 (10.6)14
Burge FLTB3054, 2000w2 w1718 UK hospitals156FEV1/FVC <70%Flu 500 μg twice daily7563.7 (7.1)50.3 (14.9)51.1
Placebo74.263.8 (7.1)50.0 (14.9)57.0
Calverley SFCB3024, 2003w3 w18196 centres in 25 countries52ERSSFC 50/500 μg twice daily7562.7 (8.7)44.8 (14.7)50
Sal 50 μg twice daily7063.2 (8.6)44.3 (13.8)49
Flu 500 μg twice daily7063.5 (8.5)45 (13.6)54
Placebo7563.4 (8.6)44.2 (13.7)52
Calverley SCO30003, 2007w4 w1944 centres in 42 countries156ERSSFC 50/500 μg twice daily7565 (8.3)44.3 (12.3)47
Sal 50 μg7665.1 (8.2)43.6 (12.6)45
Flu 500 μg twice daily7565 (8.4)44.1 (12.3)47
Placebo7665 (8.2)44.1 (12.3)51
Ferguson SCO40043, 2008w5 w2094 centres in North America52ATSSFC 50/250 μg twice daily5864.9 (9.0)39.8 (13.9)15
Sal 50 μg twice daily5265.0 (9.1)50.6 (15.4)18
FLTA 3025, 2005w655 centres in the USA24ATSFlu 500 μg twice daily6663.3 (10)50 (NA)NA
Flu 250 μg twice daily7265.2 (8.7)49 (NA)NA
Placebo7064.8 (9.5)48 (NA)NA
Hanania SFCA3007, 2003w7 w2176 centres in the USA24ATSSFC 50/250 μg twice daily6163 (NA)41 (11)23
Sal 50 μg twice daily5864 (NA)42(12)20
Flu 250 μg twice daily6663 (NA)42 (11)28
Placebo5865 (NA)42 (12)30
Johnell, 20026 w2239 centres in nine EU countries156FEV1/FVC <70%Bud 400 μg twice daily74 (full cohort)52 (NA)77 (NA)NA
Placebo72 (full cohort)52 (NA)77 (NA)NA
Kardos SCO30006, 2007w8 w2395 centres in Germany52GOLDSFC 50/500 μg twice daily7463.8 (8.3)40.4 (8.9)40.6
Sal 50 μg twice daily77.664 (8.2)40.3 (8.5)44.4
Mahler SFCA3006, 2002w9 w24Multicentre USA24ATSSFC 50/500 μg twice daily6261.9 (NA)41 (NA)28
Sal 50 μg twice daily6463.5 (NA)40 (NA)31
Flu 500 μg twice daily6164.4 (NA)41 (NA)25
Placebo7564 (NA)41 (NA)18
Paggiaro FLIT97, 1998w10 w2513 European centres24ERSFlu 500 μg twice daily9962 (NA)59 (18)NA
Placebo7864 (NA)55 (17)NA
SCO100470, 2006w11135 centres in Europe and Asia-Pacific24GOLDSFC 50/250 μg twice daily78.363.5 (9.3)1654 (459)*NA
Sal 50 μg twice daily77.263.7 (9.0)1681 (465)*NA
SCO40041, 2008w1231 centres in the USA156FEV1/FVC ≤70%SFC 50/250 μg twice daily6065.4 (8.4)<70%NA
Sal 50 μg twice daily6365.9 (9.5)<70%NA
SFCT 01/SCO30002, 2005w1349 centres in Italy and Poland52FEV1/VC <88%Flu 500 μg twice daily8464.6 (8.7)NANA
Placebo8065.7 (9.0)NANA
Tashkin, 2008w14194 sites in five countries26Prebronchodilator FEV1 <50%, FEV1/FVC <70%Bud 320/For 9 μg twice daily6863 (9.0)33.7 (11.8)NA
Bud 160/For 9 μg6463 (9.0)34.1 (10.9)NA
Bud 160 μg + For 4.5 μg7464 (9.0)33.5 (10.7)NA
Bud 160 μg6863 (8.8)33.5 (10.8)NA
Form 4.5 μg6664 (9.5)33.6 (11.3)NA
Placebo6963 (9.6)34.6 (10.5)NA
Wouters SCO40002, 2005w15 w2639 centres in The Netherlands52FEV1/VC <88%SFC 50/500 μg twice daily7363 (7.9)47.4 (13.9)85
Sal 50 μg twice daily7564 (7.7)48.2 (12.9)87
  • * Reported mean FEV1 in millilitres as a percentage of predicted unavailable.

  • ATS and GOLD criteria for COPD are FEV1/FVC <70%.

  • ERS criteria for COPD are FEV1/VC <88% predicted for men and <89% predicted for women.

  • ATS, American Thoracic Society; Bud, budesonide; COPD, chronic obstructive pulmonary disease; ERS, European Respiratory Society; FEV1, forced expiratory volume in the first second of expiration; Flu, fluticasone propionate; For, formoterol; FVC, forced vital capacity; GOLD, Global Initiative for Chronic Obstructive Lung Disease; ICS, inhaled corticosteroid; NA, not available; Sal, salmeterol xinafoate; SFC, combination of salmeterol and fluticasone; VC, vital capacity.