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Table 2 Characteristics of patients enrolled in studies selected for the final analysis

From: Long-acting bronchodilators improve exercise capacity in COPD patients: a systematic review and meta-analysis

Author, year

Main treatment

Inclusion criteria

Numbers of individuals randomized

Number available for the final analysis

Male, %

Age, yrs

BMI, Kg/m2

Basal FEV1, %

Man WDC, 2004

Salmeterol 50 μg bid

FEV1 change post bd < 10% and 200 ml

20

16

63

68 (7.6)

31.1 (3.9)

O’Donnell DE, 2004

Salmeterol 50 μg bid

FEV1 ≤ 70%, FRC ≥ 120%, BDI ≤ 6

23

23

65

64 (2.0)

26.1 (0.8)

42 (−)

Neder JA, 2007

Formoterol 12 μg bid

FEV1/FVC ≤ 60%, FEV1 < 60% and change after bd < 12%

21

18

67

42–75 (range)

24.8 (5.1)

38.8 (11.7)

Beeh KM, 2011

Indacaterol 300 μg od

40–80 yrs., 80% ≥ FEV1 ≥ 40%, FRC ≥ 120%

27

24

67

61.3 (7.2)

25.6 (3.4)

51.5 (11.4)

O’Donnell DE, 2011

Indacaterol 300 μg od

≥40 yrs., 80% ≥ FEV1 ≥ 30%

90

74

70

62.8 (8.2)

27.5 (4.1)

61 (12.4)

Maltais F, 2016

Study 1222.37

Olodaterol 5, 10 μg

40–75 yrs., FEV1 < 80%

151

140

77

60.6 (7.7)

48.5 (14.5)

Study 1222.38

157

141

74

60.6 (7.7)

51.6 (14.2)

O’Donnell DE, 2004

Tiotropium 18 μg od

40–70 yrs., FEV1 ≤ 65%, FRC ≥ 120%

198

187

74

60.5 (−)

26.5 (4.8)

44 (13.0)

Casaburi R, 2005

Tiotropium 18 μg od

≥40 yrs., FEV1 ≤ 60%

108

91

57

66.6 (7.9)

25.9 (5.2)

34.4 (12.4)

Maltais F, 2005

Tiotropium 18 μg od

40–75 yrs., FEV1 ≤ 65%, FRC ≥ 120%

261

241

72

62.5 (7.4)

43.1 (12.7)

Travers J, 2007

Tiotropium 18 μg od

FEV1 ≤ 65%, FRC ≥ 120%, BDI ≤ 6

18

72

60 (9.0)

26.8 (5.4)

40 (−)

Maltais F, 2011

Aclidinium 200 μg od

≥40 yrs., 80% ≥ FEV1 ≥ 30%, FRC ≥ 120%, BDI ≤ 7

181

159

52

64.8 (−)

26.4 (−)

50 (−)

Beeh KM, 2012

Glycopyrronium 50 μg od

≥40 yrs., 80% ≥ FEV1 ≥ 40%

108

95

58

60.5 (8.6)

26.6 (4.0)

57.1 (8.5)

Cooper CB, 2013

Tiotropium 18 μg od

≥40 yrs., FEV1 ≤ 65%, mMRC≥2

519

464

77

65 (−)

26.4 (−)

44 (12.0)

Beeh KM, 2014

Aclidinium 400 μg bid

≥40 yrs., 80% ≥ FEV1 ≥ 30%, FRC ≥ 120%

112

106

68

60.3 (8.1)

56.7 (11.6)

Casaburi R, 2014

Tiotropium 18 μg od

≥40 yrs., FEV1 ≥ 50%, 35 ≥ BMI ≥ 18 Kg/m2, BDI ≤ 9

126

111

52

61.2 (8.8)

27.8 (3.9)

70 (17.0)

Bedard M-E, 2012

Tiotropium 18 μg od

≥50 yrs., FEV1 < 70%

36

34

68

65 (7)

28 (4)

54 (12)

Beeh KM, 2014

Indacaterol/Glycopyrronium 110/50 μg od

≥40 yrs., 70% ≥ FEV1 ≥ 40%

85

73

63

62.1 (8.1)

56 (8.9)

Maltais F, 2014

Study 417

Umeclidinium/vilanterol 125/25, 62,5/25 μg

≥40 yrs., 70% ≥ FEV1 ≥ 35%, FRC ≥ 120%, mMRC≥2

349

348

56

61.6 (8.3)

51.3 (9.7)

Study 418

308

307

55

62.6 (7.9)

51.3 (10.0)

O’Donnell, 2017

Mor 1

Olodaterol/Tiotropium 2,5/5, 5/5 μg

40–75 yrs., 80% ≥ FEV1 ≥ 30%

295

227

72

62.2 (7.5)

27.3 (5.3)

52.6 (13.9)

Mor 2

291

224

70

61.2 (7.9)

26.7 (4.6)

52.0 (13.4)

O’Donnell DE, 2006

Salmeterol 50 μg/Fluticasone 250 μg bid

≥40 yrs., FEV1 < 70%, FRC ≥ 120%, BDI < 7, ≥20 W at CPET

123

117

70

64 (−)

25.9 (−)

41 (−)

Worth H, 2010

Budesonide/formoterol 320/9 μg bid

≥exacerbation last 1 yr., FEV1 ≤ 50%, FRC > 120%

111

91

76

63.7 (−)

25.7 (−)

37 (8.4)

Guenette JA, 2013

Fluticasone 250/Salmeterol 50 μg bid

≥40 yrs., FEV1 > 60%

18

15

40

64 (10.0)

29.5 (6.4)

86 (15.0)

  1. Od Once daily, bid Twice daily, bd Bronchodilation, Mor MORACTO study