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Table 2 Bias (invasive – ccNexFin), limits of agreement (LoA), and Polar plot analyses

From: Accuracy and trending abilities of finger plethysmographic blood pressure and cardiac output compared to invasive measurements during caesarean delivery in healthy women: an observational study

 

Bias (95% CI)

LoA (95% CI)

Mean polar angle (SD)

Radial LoA

MAP

−4.3 mmHg (−6.6, −1,9)

−15.9 (−20.7, − 12.8) to 7.4 (4.2, 12.2)

2.3° (10.0°)

−18.6°, 23.2°

SAP

12.2 mmHg (7.5, 17.0)

− 11.1 (− 20.7, − 4.8) to 35.6 (29.2, 45.2)

5.0° (17.3°)

−29.2°, 39.2°

CO

0.2 L/min (− 0.3, 0.7)

− 2.6 (− 3.5, − 2.0) to 3.0 (2.5, 3.9)

−10.4° (27.2°)

−55.9°, 35.1°