Table 5 Sample sizes.

From: Inter-study reproducibility of cardiovascular magnetic resonance-derived hemodynamic force assessments

Variable

Sample size 10% change

Sample size 15% change

Sample size 20% change

LV longitudinal force (RMS)

53

23

13

Systolic peak

50

23

13

Systolic impulse

49

22

12

LV systolic/diastolic transition

97

43

24

Diastolic deceleration

103

46

26

Atrial thrust

200

89

50

Diastolic deceleration/atrial thrust

141

63

35

LV global longitudinal strain (GLS)

22

10

6

LV ejection fraction (LVEF)

2

1

1

  1. GLS global longitudinal strain, LV left ventricular, LVEF LV ejection fraction, RMS root mean square.
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