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The Ultrasound Journal

Table 3 Agreement between PWD-CO and PAC-CO

From: Basic critical care echocardiography training of intensivists allows reproducible and reliable measurements of cardiac output

 

CO (mean, SD)

Prec.

Bias

95% LOA

PE

CE

CV

PAC

6.26 (1.96)

6%

–

–

–

0.03

0.05

PAC (CO < 6.5 L/min)

5.18 (0.70)

6%

–

–

–

0.03

0.05

PWD

5.22 (1.17)

15%

–

–

–

0.08

0.13

PWD (CO < 6.5 L/min)

4.72 (0.59)

16%

–

–

–

0.08

0.14

PWD-CO vs. PAC-CO

–

–

1.03

− 1.50 to 3.56

17%

0.09

–

PWD-CO vs. PAC-COa

–

–

0.46

− 1.29 to 2.22

12%

0.06

–

  1. CO: cardiac output; Prec.: precision; LOA: limits of agreement; IC: interval confidence; PE: percentage of error; CV: coefficient of variation; CE: coefficient of error; PWD-CO: cardiac output measured by pulse wave Doppler; PAC-CO: cardiac output measured by pulmonary artery catheter
  2. aCohort of patients with CO < 6.5 L/min
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