Table 4 Resume of the results of the non-invasive and invasive studies

From: Clinical evaluation of an optical fiber-based probe for the assessment of central arterial pulse waves

Variable

Non-invasive

Invasive

RMSD (%)

13 ± 1

11 ± 1

ΔFF (%)

9 ± 4

7 ± 3

Point-by-point

0.96 ± 0.03

0.97 ± 0.02

ΔAIx (%)

−1.9 ± 12.2

3.7 ± 12.5

AIx correlation

0.91 (p < 0.001)

0.79 (p < 0.001)

ΔcSP (mmHg)

9 ± 5

11 ± 5

cSP correlation

0.98 (p < 0.001)

0.99 (p < 0.001)