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Intensive Care Medicine Experimental

Table 1 Cardiac index measurements agreement analyzed by Bland-Altman’s approach at each study moment

From: Comparison between pressure-recording analytical method (PRAM) and femoral arterial thermodilution method (FATD) cardiac output monitoring in an infant animal model of cardiac arrest

Cardiac index FATD-PRAM (L/min/m2)

N

Bias

95 % CI

LoA high (%)

LoA low (%)

% error

Baseline

24

−0.4

−1.1 to 0.3

2.9 (67.4)

−3.7 (−97.7)

89.2

ROSC15’

11

1.8

1.2 to 2.4

3.9 (78.8)

−0.3 (−3.6)

48.3

ROSC30’

11

1.0

0.4 to 1.6

2.9 (63.5)

−0.9 (−19.6)

45.3

ROSC60’

12

0.9

−0.2 to 1.9

4.7 (82.7)

−2.9 (−58.9)

87.3

  1. FATD femoral arterial thermodilution, PRAM pressure recording analytical method, N sample size, Bias mean of the differences between both methods, 95 % CI 95 % confidence interval, LoA (%) limit of agreement expressed as absolute value and as the percentage of the reference method (FATD), % error percentage error, ROSC recovery of spontaneous circulation
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