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Table 2 Comparison of values for mean arterial pressure, systolic blood pressure and diastolic blood pressure obtained from the finger cuff compared with invasive arterial line. Summary of the calculated bias and 95% limits of agreement with 95% CIs calculated and used to create the modified Bland-Altman plots shown in Fig. 2, INV – FC

From: ClearSight™ finger cuff versus invasive arterial pressure measurement in patients with body mass index above 45 kg/m2

 

Bias ± SD

mmHg

Lower LOA (95% CI) mmHg

Upper LOA (95% CI) mmHg

Mean arterial pressure

5.2 ± 10.9

-16.0 (-22.0 to -11.9)

26.5 (22.3 to 32.4)

Systolic blood pressure

14.3 ± 14.1

-13.4 (-20.6 to -8.2)

42.0 (36.9 to 49.2)

Diastolic blood pressure

2.6 ± 10.8

-18.6 (-24.4 to -14.4)

23.8 (19.7 to 29.6)

  1. FC finger cuff measurements, INV invasive measurements, LOA limits of agreement