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Riociguat (Adempas): Management of Inoperable Chronic Thromboembolic Pulmonary Hypertension [Internet]. Ottawa (ON): Canadian Agency for Drugs and Technologies in Health; 2015 Jul.

Cover of Riociguat (Adempas)

Riociguat (Adempas): Management of Inoperable Chronic Thromboembolic Pulmonary Hypertension [Internet].

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APPENDIX 4DETAILED OUTCOME DATA

Table 13Secondary Efficacy Variables: Summary of Hierarchical Testing

VariableaTreatment Effect
ANCOVA P Value
Shapiro-
Wilk Test
P Valueb
Stratified
Wilcoxon Test
P Value
Statistically
Significant
Statistically
Significant in
Hierarchical
Testing
6MWD (Primary)< 0.00010.0001< 0.0001YesYes
PVR< 0.00010.0001< 0.0001YesYes
NT-proBNP0.02930.0001< 0.0001YesYes
WHO functional class0.0026YesYes
Time to clinical worsening0.2180c0.1724dNoNo
Borg CR10 Scalee0.0035YesNo
EQ-5D questionnaire0.00020.0001< 0.0001YesNo
LPH questionnaire0.01650.00010.1220NoNo

ANCOVA = analysis of covariance; 6MWD = six-minute walk distance; EQ-5D = EuroQol 5-dimensions questionnaire; LPH = Living With Pulmonary Hypertension questionnaire; NT-proBNP = N-terminal prohormone of brain natriuretic peptide; PVR = pulmonary vascular resistance; WHO = World Health Organization.

Note: P values used to determine statistical significance are given in bold.

a

Variables are ordered in the sequence of testing.

b

Test of normality of the data.

c

Mantel–Haenszel estimate P value for incidence of clinical worsening.

d

Stratified log-rank test P value for time to clinical worsening.

e

Patients enrolled before CHEST-1 analysis plan Amendment 3 used the Modified Borg Dyspnea Scale.

Source: CHEST-1 Clinical Study Report.7

Table 14Change in World Health Organization Functional Class

VisitWHO
Functional
Class
Riociguat (n = 173)Placebo (n = 88)
Baselinen▬▬▬▬▬▬▬▬
I▬▬▬▬▬▬▬▬
II▬▬▬▬▬▬▬▬
III▬▬▬▬▬▬▬▬
IV▬▬▬▬▬▬▬▬
Last Visitn▬▬▬▬▬▬▬▬
I▬▬▬▬▬▬▬▬
II▬▬▬▬▬▬▬▬
III▬▬▬▬▬▬▬▬
IV▬▬▬▬▬▬▬▬
Va▬▬▬▬▬▬▬▬
Change From Baseline at Last Visitn▬▬▬▬▬▬▬▬
−2▬▬▬▬▬▬▬▬
−1▬▬▬▬▬▬▬▬
0▬▬▬▬▬▬▬▬
1▬▬▬▬▬▬▬▬
2▬▬▬▬▬▬▬▬
3▬▬▬▬▬▬▬▬
P value (stratified Wilcoxon test)▬▬▬▬

WHO = World Health Organization.

a

V represented an imputed worst value in case of death.

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Bookshelf ID: NBK349351

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