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Table 2 Summary of changes of all region perfusion responses by treatment and time under normal conditions

From: Evaluation of the effect of ambrisentan on digital microvascular flow in patients with systemic sclerosis using laser Doppler perfusion imaging: a 12-week randomized double-blind placebo controlled trial

  

Placebo

Ambrisentan

Measure

Change period

Change (95% CI)

Change P -value

Overall P -value

Change (95% CI)

Change P -value

Overall P -value

All

1 W - Base

0.18 (−0.27,0.63)

0.42

0.54

0.11 (−0.15,0.37)

0.41

0.61

 

12 W - Base

−0.06 (−0.51,0.39)

0.80

 

−0.01 (−0.28,0.25)

0.93

 
 

12 W - 1 W

−0.24 (−0.69,0.21)

0.29

 

−0.12 (−0.38,0.15)

0.37

 

R1

1 W - Base

0.23 (−0.18,0.64)

0.26

0.29

0.12 (−0.11,0.36)

0.29

0.30

 

12 W - Base

−0.08 (−0.48,0.33)

0.71

 

−0.06 (−0.30,0.18)

0.62

 
 

12 W - 1 W

−0.31 (−0.71,0.10)

0.14

 

−0.18 (−0.42,0.06)

0.13

 

R2

1 W - Base

0.15 (−0.32,0.62)

0.52

0.76

0.03 (−0.24,0.31)

0.80

0.80

 

12 W - Base

0.00 (−0.47,0.47)

0.99

 

−0.06 (−0.34,0.22)

0.68

 
 

12 W - 1 W

−0.15 (−0.62,0.32)

0.53

 

−0.09 (−0.37,0.19)

0.51

 

R3

1 W - Base

0.08 (−0.42,0.57)

0.76

0.79

0.12 (−0.17,0.40)

0.40

0.70

 

12 W - Base

−0.09 (−0.59,0.40)

0.71

 

0.05 (−0.24,0.34)

0.71

 
 

12 W - 1 W

−0.17 (−0.66,0.33)

0.50

 

−0.07 (−0.36,0.23)

0.65

 

R4

1 W - Base

0.27 (−0.26,0.80)

0.31

0.42

0.15 (−0.16,0.45)

0.33

0.57

 

12 W - Base

−0.06 (−0.59,0.47)

0.81

 

0.02 (−0.30,0.33)

0.91

 
 

12 W - 1 W

−0.33 (−0.86,0.20)

0.22

 

−0.13 (−0.45,0.18)

0.40

 

Worst

1 W - Base

0.18 (−0.20,0.56)

0.35

0.45

0.18 (−0.04,0.40)

0.10

0.25

 

12 W - Base

−0.05 (−0.43,0.33)

0.79

 

0.06 (−0.16,0.29)

0.57

 
 

12 W - 1 W

−0.23 (−0.61,0.15)

0.23

 

−0.12 (−0.34,0.11)

0.29

 
  1. The ROIs are mentioned as R1 to R4 along with the area of worst perfusion, measured over the study duration. P-values are from repeated measure analysis of variance models. Base = baseline; W = week; Worst = worst perfusion. CI, confidence interval; ROI, region of interest.