Table 1 Influence of temporal resolution on the Δts estimated from flow curves.

Best-fitting line: slope Intercept (ms)

1.007 ± 0.047 -0.271 ± 1.361

0.929 ± 0.063 1.891 ± 1.810

0.923 ± 0.088 3.131 ± 2.519

R-squared for the linear fitting

0.941

0.886

0.798

Difference, mean ± SD (ms)

-0.08 ± 1.34

-0.10 ± 1.83

0.97 ± 2.52

P (paired test)

0.746

0.756

0.074

CoV (%)

3.33

4.52

6.57

ICC

0.985

0.970

0.937

Correlation, r (P-value)

0.970 (P<0.0001)

0.941 (P<0.0001)

0.893 (P<0.0001)

BA limits (ms)

-2.7 to 2.6

-3.7 to 3.5

-4.0 to 5.9

TT-POINT

Best-fitting line: slope Intercept (ms)

0.722 ± 0.156 7.483 ± 4.287

0.927 ± 0.187 1.469 ± 5.147

0.506 ± 0.215 15.093 ± 5.921

R-squared for the linear fitting

0.434

0.467

0.165

Difference, mean ± SD (ms)

-0.03 ± 4.63

-0.52 ± 5.28

1.74 ± 6.6

P (paired test)

0.971

0.597

0.159

CoV (%)

11.91

13.78

17.04

ICC

0.798

0.794

0.559

Correlation, r (P-value)

0.659 (P<0.0001)

0.683 (P<0.0001)

0.406 (P=0.026)

BA limits (ms)

-9.1 to 9.0

-10.9 to 9.8

-11.2 to 14.7

TT-WAVE

Best-fitting line: slope Intercept (ms)

0.917 ± 0.084 1.637 ± 2.303

0.926 ± 0.096 1.871 ± 2.622

0.809 ± 0.108 6.175 ± 2.939

R-squared for the linear fitting

0.808

0.768

0.668

Difference, mean ± SD (ms)

-0.61 ± 2.01

-0.13 ± 2.27

1.04 ± 2.66

P (paired test)

0.108

0.757

0.040

CoV (%)

5.49

5.89

7.24

ICC

0.944

0.935

0.889

Correlation, r (P-value)

0.899 (P<0.0001)

0.876 (P<0.0001)

0.818 (P<0.0001)

BA limits (ms)

-4.6 to 3.3

-4.6 to 4.3

-4.2 to 6.2