Table 2 Mean operator values and mean inter-operator differences for the carotid-femoral pulse wave velocity measurements and radial artery pulse wave analysis
Parameter | Group | Mean operator values | Mean difference | p value |
|---|---|---|---|---|
±SD | (95 % CI) | |||
Carotid-femoral PWV | ||||
cf-PWV (m/s) | HS | 6.3 ± 1.2 | −0.7 (−1.3 to −0.11) | 0.020 |
ESRD | 8.7 ± 2.9 | −0.4 (−1.2 to 0.4) | 0.390 | |
Subtracted cf-distance (mm) | HS | 466 ± 33 | +7.9 (2.3 to 13.5) | 0.007 |
ESRD | 470 ± 36 | +8.4 (0.1 to 16.8) | 0.050 | |
cf mean time (ms) | HS | 77 ± 12 | +8.2 (3.1 to 13.2) | 0.002 |
ESRD | 60 ± 21 | +5.7 (0.4 to 11.0) | 0.040 | |
SBP (mmHg) | HS | 117 ± 12 | −2.3 (−5.3 to 0.7) | 0.130 |
ESRD | 138 ± 22 | +1.3 (−3.3 to 5.9) | 0.580 | |
DBP (mm Hg) | HS | 70 ± 9 | −1.3 (−2.9 to 0.3) | 0.100 |
ESRD | 67 ± 10 | +0.9 (−1.2 to 2.9) | 0.620 | |
Radial artery PWA | ||||
AIx@HR75 (%) | HS | 15 ± 14 | −0.5 (−2.7 to 1.7) | 0.630 |
ESRD | 24 ± 11 | −1.5 (−6.2 to 3.1) | 0.520 | |
Central pulse pressure (mm Hg) | HS | 35 ± 5 | +0.3 (−1.3 to 1.9) | 0.680 |
ESRD | 57 ± 20 | +0.3 (−3.0 to 3.5) | 0.870 | |