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Table 1 Cardiac function patients

From: Defining the optimal temporal and spatial resolution for cardiovascular magnetic resonance imaging feature tracking

Resolution

Cardiac function

Spatial (mm)

Temporal (frames/cycle)

LV GLS (%)

LV GLS SR (%/s)

GCS (%)

GCS SR (%/s)

RV GLS (%)

5

20

− 20.4 (3.66)

 

− 0.77 (0.16)

 

− 28.3 (5.51)

 

− 1.23 (0.34)

 

− 24.2 (3.50)

 

5

30

− 21.3 (3.80)

0.017

− 0.94 (0.21)

 < 0.001

− 30.1 (6.05)

 < 0.001

− 1.57 (0.41)

 < 0.001

− 25.6 (4.43)

0.046

5

40

− 21.5 (3.84)

0.244

− 1.01 (0.23)

0.001

− 30.6 (5.86)

0.274

− 1.70 (0.41)

0.001

− 25.4 (4.53)

0.741

5

50

− 21.5 (3.86)

0.903

− 1.07 (0.23)

0.008

− 30.8 (5.81)

0.627

− 1.80 (0.38)

0.013

− 25.4 (4.20)

0.903

8

20

− 21.0 (3.60)

 

− 0.81 (0.17)

 

− 28.6 (5.28)

 

− 1.25 (0.32)

 

− 24.2 (4.59)

 

8

30

− 20.9 (4.09)

0.741

− 0.95 (0.20)

 < 0.001

− 29.1 (4.98)

0.015

− 1.59 (0.38)

 < 0.001

− 24.8 (4.68)

0.170

8

40

− 20.7 (3.40)

0.768

− 0.98 (0.20)

0.117

− 29.8 (6.01)

0.205

− 1.67 (0.39)

0.001

− 25.2 (4.50)

0.455

8

50

− 21.3 (4.10)

0.339

− 1.05 (0.20)

0.001

− 30.3 (5.76)

0.217

− 1.73 (0.39)

0.003

− 25.4 (3.80)

0.986

10

20

− 20.7 (4.29)

 

− 0.82 (0.21)

 

− 28.2 (5.80)

 

− 1.22 (0.37)

 

− 22.8 (4.45)

 

10

30

− 22.0 (4.17)

0.001

− 0.99 (0.21)

 < 0.001

− 29.6 (5.82)

0.917

− 1.59 (0.46)

 < 0.001

− 23.7 (3.78)

0.099

10

40

− 22.0 (4.67)

0.768

− 1.05 (0.25)

0.030

− 30.5 (5.80)

0.085

− 1.72 (0.46)

0.014

− 24.1 (3.92)

0.590

10

50

− 22.5 (4.55)

0.062

− 1.11 (0.26)

0.002

− 30.5 (5.77)

0.002

− 1.76 (0.44)

0.014

− 24.2 (3.92)

0.601

  1. Continuous variables are expressed as mean (standard deviation). LV/RV left/right ventricular, GLS/GCS/GRS global longitudinal/circumferential/radial strain, SR systolic strain rate. Wilcoxon-signed rank test was used to determine statistical significance. P-values were calculated comparing one temporal resolution to the successive higher one. Bold p-values indicate statistical significance