Table 4 Characteristics of randomised controlled trials underlying recommendations for treating acute exacerbations of chronic obstructive pulmonary disease with antibiotics

From: When should acute exacerbations of COPD be treated with systemic corticosteroids and antibiotics in primary care: a systematic review of current COPD guidelines

Author, year of Publication

No. of patients (m/f)

% Of patients included of those initially screened

Cardiovascular co-morbidities in exclusion criteria

Average baseline lung function (FEV1 % predicted, FEV1 in litre or PEF litre/min) of study patients at the time of inclusion

Study setting (hospital or outpatient)

Anthonisen et al.25

173 (134/39)

Yes

33.9%

O

Seemungal et al.26

83 (59/24)

Yes

41.3%

O

Patel et al.27

29 (21/8)

 

No

38.7%

O

Nouira et al.28

93 (84/9)

44%

No

0.7 l

H

Trials from the Cochrane review 4

 Berry et al.29

53 (31/21) a

NA

NA

NA

O

 Fear et al.30

62 (NA)

NA

No

NA

O

 Elmes et al.31

74 (47/27)

76%

Yes

79.2 l/min

H

 Pines et al.32

186 (186/0)

No

76.0 l/min

H

 

 Pines et al.33

259 (259/0)

NA

No

146.0 l/min

H

 Manresa et al.34

19 (NA)

NA

No

172.0 l/min

H

 Jørgensen et al.35

270 (115/278)

97%

Yes

295.0 l/min (circa)

O

 Sachs et al.36

71 (30/41)

NA

No

63 l/min

O

 Brusse-Keizer37

35 (21/14)

56%

No

48.6%

O

 Daniels et al.38

223 (133/90)

70%

No

45.4%

H

 Llor et al.39

310 (251/59)

88%

No

65.0%

O

  1. Abbreviations: f, female; FEV1, forced expiratory volume in 1 s; H, hospital-based study; m, male; NA, information not available or unclear; O, study conducted with outpatients; PEF, peak expiratory flow.
  2. aOne not recorded.