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Table 4 Comparison of blood pressure using the Bland-Altman method

From: Accuracy of invasive arterial pressure monitoring in cardiovascular patients: an observational study

 

Bias, mmHg

Limits of agreement, mmHg

R-group systolic IBP versus systolic NIBP

28.5

−2.92 to 59.58

NR-group systolic IBP versus systolic NIBP

4.1

−6.19 to 14.40

R-group diastolic IBP versus diastolic NIBP

−2.2

−23.42 to 14.81

NR-group diastolic IBP versus diastolic NIBP

−1.1

−12.5 to 10.3

R-group mean IBP versus mean NIBP

7.4

−14.98 to 29.50

NR-group mean IBP versus mean NIBP

2.3

−13.09 to 17.69

  1. R-group, resonance group; NR-group, non-resonance group; IBP, invasive blood pressure monitoring; NIBP, non-invasive blood pressure monitoring.
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Critical Care

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