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Table 3 Absolute (delta) and relative (percentage change) differences before and after interventions after adjustment for key variables

From: Distal aortic biomechanics after transcatheter versus surgical aortic valve replacement: a hypothesis generating study

 

Overall

(n = 80)

SAVR

(n = 40)

TAVR

(n = 40)

P

Delta GCS

1.5 [− 0.1,3.4]

0.15 [− 0.6,1.5]

2.8 [1.4,6]

 < 0.001

Delta GCS/PP

3.05 [− 0.01,7.7]

1.3 [− 1.5,3.2]

6.1 [1.6,12.3]

 < 0.001

Delta GCS (Mean (SE)) *

0.2 (0.9)

4.2 (0.9)

0.011

Delta GCS/PP (Mean (SE)) *

0.5(2.1)

9.2 (2.1)

0.024

Percent change GCS

21.2 [− 2.3,58]

4.4 [− 10.6,56]

28.8 [14.6,64.6]

0.006

Percent change GCS (GCS/PP)

31.9 [0.14,78.8]

18.4 [− 27.4,46.4]

36.9 [11.2,83]

0.11

Percent change GCS ((Mean (SE)) *

 − 1.8 (13.3)

62.0 (13.3)

0.010

Percent change GCS/PP (Mean (SE)) *

9.5 (18.4)

81.6 (18.4)

0.035

Delta EDA

 − 0.1 [− 0.6,0.3]

 − 0.04 [− 0.36,0.36]

 − 0.25 [− 0.8,0.3]

0.37

Delta ESA

 − 0.1 [− 0.5,0.5]

 − 0.02 [− 0.36,0.6]

 − 0.2 [− 0.7,0.26]

0.38

Delta FAC

1.6 [− 1.8,6.1]

1.3 [− 0.5,4.7]

1.9 [− 2.1,14.1]

0.45

  1. All values were (median [interquartile range]) except for mean and SE
  2. *ANCOVA Adjusted. SE standard error, cm centimeters, EDA End diastolic area, ESA End systolic area, FAC Fractional area change, GCS Global circumferential strain [%], ms Milliseconds, PP Pulse pressure, SAVR Surgical aortic valve replacement, TAVR Transcatheter aortic valve replacement, TTP Time to peak