Table 1 Baseline characteristic of patients enrolled into the MATREX trial

N

Mean

SD

N

Mean

SD

Age (years)

258

69.08

9.85

264

69.58

9.51

SGRQ symptom score

249

79.23

14.42

255

79.61

14.18

SGRQ activity score

249

84.97

15.46

258

84.10

15.87

SGRQ impact score

249

56.58

19.13

258

57.57

18.85

SGRQ – Total score

249

68.94

14.66

255

69.13

14.76

BCSS score

249

6.23

2.11

256

6.44

2.18

Oxygen Saturation (%)

254

92.33

3.67

252

92.77

5.03

Sputum (mls)

240

8.17

11.09

255

7.89

9.63

EQ-VAS

196

44.95

21.03

202

46.64

21.42

EQ-5D Score

199

0.45

0.32

202

0.43

0.36

n/N

%

n/N

%

Female

115/258

44.57

109/264

41.29

Current smoker

43/221

19.46

49/224

21.88

Ex smoker

175/221

79.19

172/224

76.79

Never smoked

3/221

1.36

3/224

1.34

Sputum >15 mls

38/240

15.83

42/255

16.47

JPH

62/258

24.03

65/264

24.62

NNUH

77/258

29.84

79/264

29.92

QEH

37/258

14.34

36/264

13.64

UHA

82/258

31.78

84/264

31.82

MRC score

1

0/250

0.00

1/255

0.39

2

11/250

4.40

14/255

5.49

3

27/250

10.80

27/255

10.59

4

68/250

27.20

75/255

29.41

5

144/250

57.60

138/255

54.12