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Table 2 Number of patients with ≥1 pneumonia adverse event in the treatment arms of the 10 included studies, by blood neutrophil count and treatment subgroups

From: Circulating neutrophils levels are a predictor of pneumonia risk in chronic obstructive pulmonary disease

Trials (duration)

Blood neutrophil count: <median, n (%)

Blood neutrophil count: ≥median, n (%)

n

Pneumonia

Serious pneumonia

Fatal pneumonia

n

Pneumonia

Serious pneumonia

Fatal pneumonia

NCT01009463+Exac

(52 weeks) [18]

 FF/VI 50/25

178

12 (6.7)

6 (3.4)

0

214

17 (7.9)

8 (3.7)

0

 FF/VI 100/25

210

13 (6.2)

8 (3.8)

0

186

12 (6.5)

3 (1.6)

0

 FF/VI 200/25

182

9 (4.9)

2 (1.1)

2 (1.1)

209

21 (10.0)

11 (5.3)

4 (1.9)

 VI 25

203

9 (4.4)

2 (1.0)

0

196

7 (3.6)

0

0

NCT01017952+Exac

(52 weeks) [18]

 FF/VI 50/25

210

8 (3.8)

5 (2.4)

0

190

10 (5.3)

4 (2.1)

0

 FF/VI 100/25

189

11 (5.8)

5 (2.6)

0

200

14 (7.0)

8 (4.0)

1 (0.5)

 FF/VI 200/25

214

13 (6.1)

5 (2.3)

0

184

11 (6.0)

4 (2.2)

0

 VI 25

206

3 (1.5)

2 (1.0)

0

193

8 (4.1)

4 (2.1)

1 (0.5)

NCT01053988-Exac

(24 weeks) [19]

 PBO

113

1 (0.9)

0

0

94

2 (2.1)

1 (1.1)

0

 FF/VI 50/25

108

3 (2.8)

1 (0.9)

0

96

0

0

0

 FF/VI 100/25

109

2 (1.8)

1 (0.9)

0

96

4 (4.2)

0

0

 VI 25

107

1 (0.9)

1 (0.9)

0

94

4 (4.3)

2 (2.1)

0

 FF 100

110

2 (1.8)

2 (1.8)

0

93

2 (2.2)

1 (1.1)

0

NCT01054885-Exac

(24 weeks) [22]

 PBO

96

0

0

0

109

0

0

0

 FF/VI 100/25

103

0

0

0

100

1 (1.0)

0

0

 FF/VI 200/25

82

0

0

0

120

4 (3.3)

3 (2.5)

0

 VI 25

92

0

0

0

104

2 (1.9)

2 (1.9)

0

 FF 100

94

1 (1.1)

0

0

108

2 (1.9)

0

0

 FF 200

106

2 (1.9)

1 (0.9)

0

95

1 (1.1)

1 (1.1)

0

NCT00361959-Exac/+Exac

(104 weeks) [9]

        

 FP/SAL 500/50

246

15 (6.1)

11 (4.5)

1 (0.4)

388

34 (8.8)

30 (7.7)

2 (0.5)

 TIO

236

10 (4.2)

8 (3.4)

0

399

13 (3.3)

11 (2.8)

0

SFCB3024+Exac

(52 weeks) [20, 21]

 PBO

181

3 (1.7)

1 (0.6)

0

166

5 (3.0)

2 (1.2)

0

 FP/SAL 500/50

187

9 (4.8)

4 (2.1)

0

154

7 (4.5)

3 (1.9)

0

 SAL 50

197

10 (5.1)

6 (3.0)

0

158

8 (5.1)

4 (2.5)

0

 FP 500

176

8 (4.5)

4 (2.3)

0

184

10 (5.4)

5 (2.7)

0

SCO100470-Exac

(24 weeks) [23]

 FP/SAL 250/50

241

1 (0.4)

0

0

266

2 (0.8)

2 (0.8)

0

 SAL 50

256

1 (0.4)

1 (0.4)

0

255

3 (1.2)

3 (1.2)

0

SCO30002-Exac/+Exac

(52 weeks) [24]

        

 PBO

78

1 (1.3)

1 (1.3)

0

42

0

0

0

 FP/SAL 500/50

78

2 (2.6)

0

0

51

1 (2.0)

0

0

 FP 500

67

0

0

0

57

0

0

0

SFCA3006-Exac

(24 weeks) [25]

 PBO

104

0

0

1 (1.0)

76

1 (1.3)

0

0

 FP/SAL 500/50

84

1 (1.2)

1 (1.2)

0

79

1 (1.3)

1 (1.3)

0

 SAL 50

91

0

0

0

69

0

0

0

 FP 500

104

1 (1.0)

1 (1.0)

0

63

2 (3.2)

1 (1.6)

0

SFCA3007-Exac

(24 weeks) [26, 27]

 PBO

89

0

0

0

92

0

0

0

 FP/SAL 250/50

102

0

0

0

74

0

0

0

 SAL 50

86

1 (1.2)

1 (1.2)

0

91

0

0

0

 FP 250

90

1 (1.1)

0

0

92

1 (1.1)

1 (1.1)

0

  1. Definition of abbreviations: FF fluticasone furoate; VI vilanterol; PBO placebo; SAL salmeterol; TIO tiotropium.-Exacstudy conducted in patients without a history of COPD exacerbations; +Exacstudy conducted in patients with a history of exacerbations. Pneumonia/serious pneumonia includes on-treatment events as defined in each individual study. Fatal pneumonia includes on- and post-treatment events