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Table 5 Intra-observer and inter-observer variability for LVEDV and LV mass

From: Cardiovascular magnetic resonance in pregnancy: Insights from the cardiac hemodynamic imaging and remodeling in pregnancy (CHIRP) study

 

Intra-observer

Inter-observer

Absolute

%

Absolute

%

LVEDV (mL)

TTE

11.2 ± 6.3

10.3 ± 4.1

13.1 ± 5.4

9.7 ± 4.2

CMR

7.4 ± 4.2

6.2 ± 3.1

9.3 ± 2.5

6.2 ± 3.0

LV mass (g)

TTE

13.0 ± 3.5

10.4 ± 5.2

12.1 ± 4.3

10.3 ± 3.8

CMR

7.8 ± 3.2

5.9 ± 2.1

9.0 ± 3.2

6.9 ± 2.4

  1. Absolute values are defined as the population mean ± SD of absolute differences between repeated measurements. % values are defined as the population mean ± SD of absolute differences of repeated measurements normalized by the average of the two repeated measurements. CMR, cardiovasculart MR; LVEDV, left ventricular end-diastolic volume; LV mass, left ventricular mass; TTE, transthoracic echocardiography.