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Table 3 Agreement and bias of subjective assessment of RV size and function by Australasian intensive care specialists with advanced and expert level of training in critical care echocardiography

From: Subjective right ventricle assessment by echo qualified intensive care specialists: assessing agreement with objective measures

 

Data type

Parameter

Agreement (B-score)

Bias (p value)

Unweighted

Weighted*

RV size

Binary

RV end-diastolic area

0.26

< 0.001

RV dimensions

0.29

0.06

Ordinal

RV end-diastolic area

0.26

0.6234

< 0.001

RV dimensions

0.11

0.5870

0.06

RV function

Binary

RV free wall strain

0.27

0.35

TAPSE

0.27

< 0.001

S′

0.29

< 0.001

Fractional area change

0.31

< 0.001

Ordinal

RV free wall strain

0.14

0.5999

0.16

TAPSE

0.28

0.6499

< 0.001

  1. Interpretation of B-score: poor < 0.25, fair 0.25–0.49, good 0.5–0.75, excellent 0.75 to 0.99 and perfect 1.00
  2. *Weighted agreement allowed for one-step disagreement