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Table 3 Right ventricular stroke work index with right heart catheterization and echocardiography. Demonstrating differences in absolute values as well as biases (absolute and relative)

From: Right ventricular stroke work index by echocardiography in adult patients with pulmonary arterial hypertension

RVSWI (mmHg x mL/m2)

mean ± SD

Absolute bias

Relative bias (%)

RVSWIRHC

1132 ± 352

  

RVSWIECHO-1

1904 ± 568***

− 772 ± 385

− 50 ± 20

RVSWIECHO-2

1732 ± 531***

− 600 ± 339

− 41 ± 20

RVSWIECHO -3

1090 ± 366 #

42 ± 286

5 ± 25

RVSWIECHO-4

918 ± 336 ***

214 ± 273

23 ± 27

  1. Data are expressed as means ± SD or as percentage. ***p < 0.001, #p = 0.304. RVSWI (right ventricular stroke work index), RHC (right heart catheterization), ECHO (echocardiography)
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BMC Cardiovascular Disorders

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