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Table 2 EQ-5D index, VAS scores and ppFEV1 by time since Pulmonary Exacerbation Start

From: Impact of pulmonary exacerbations and lung function on generic health-related quality of life in patients with cystic fibrosis

  

EQ-5D Index

EQ-5D VAS

ppFEV1

n

LS Mean (SE)

p-value

LS Mean (SE)

p-value

LS Mean (SE)

p-value

PE Requiring Hospitalization

 >8 weeks prior

162

0.904 (0.020)

<0.001

72.8 (2.1)

0.015

60.9 (2.1)

0.043

 >4–8 weeks prior

27

0.884 (0.030)

0.001

73.3 (3.1)

0.038

60.1 (2.5)

0.226

 >1–4 weeks prior

20

0.905 (0.034)

<0.001

73.8 (3.5)

0.046

64.7 (2.6)

0.002

 Within 1 week of start: reference group

23

0.760 (0.033)

-

65.3 (3.4)

-

57.6 (2.5)

-

 >1–4 weeks post

15

0.841 (0.039)

0.084

74.5 (4.0)

0.053

65.5 (2.8)

0.002

 >4–8 weeks post

29

0.847 (0.030)

0.022

72.7 (3.1)

0.052

63.4 (2.4)

0.004

 >8 weeks post

121

0.856 (0.021)

0.002

72.0 (2.2)

0.034

62.7 (2.2)

0.003

PE Not Requiring Hospitalization

   

 >8 weeks prior

305a

0.883 (0.016)

0.787

72.1 (1.5)

0.021

59.3 (1.7)

0.029

 >4–8 weeks prior

54

0.912 (0.024)

0.252

73.3 (1.9)

0.014

58.3 (1.8)

0.336

 >1–4 weeks prior

36

0.876 (0.029)

0.988

72.5 (2.2)

0.071

60.6 (1.9)

0.015

 Within 1 week of start: reference group

38

0.876 (0.027)

-

68.0 (2.1)

-

57.1 (1.9)

-

 >1–4 weeks post

33

0.916 (0.029)

0.276

70.6 (2.2)

0.295

57.6 (1.9)

0.753

 >4–8 weeks post

47

0.849 (0.025)

0.396

71.9 (2.0)

0.082

57.5 (1.8)

0.748

 >8 weeks post

210

0.857 (0.017)

0.470

70.2 (1.5)

0.233

58.7 (1.7)

0.115

  1. Abbreviations: ppFEV 1 percent predicted forced expiratory volume in 1 s, VAS visual analog scale score, LS least-squares
  2. a N = 304 observations for ppFEV1