Table 3

Per-lesion ESS values according to stenosis severity

<25% stenosis
n = 129
Median (IQR)
25–50% stenosis
n = 89
≥50% stenosis
n = 19
P-valueP-value for trend
Minimal values
ESSupstream, Pa2.01 (0.91–2.99)1.86 (1.10–3.12)3.24 (0.93–5.54)0.2930.262
ESSstart, Pa2.24 (1.00–4.14)2.38 (1.38–4.40)2.33 (0.72–5.05)0.5230.328
ESSMLA, Pa2.80 (1.66–5.70)4.94 (2.61–10.61)11.00 (3.26–28.55)<0.001<0.001
ESSend, Pa1.67 (1.05–3.01)1.83 (0.97–5.30)3.71 (0.94–13.40)0.0940.055
ESSdownstream, Pa2.04 (0.95–3.65)2.26 (1.04–4.31)2.78 (1.05–7.12)0.2490.101
Maximal values
ESSupstream, Pa3.08 (1.85–4.56)3.27 (2.29–4.76)6.45 (1.98–9.14)0.0680.030
ESSstart, Pa3.62 (1.75–5.81)3.70 (2.51–6.01)6.68 (2.40–13.89)0.1620.079
ESSMLA, Pa4.21 (2.45–8.41)6.59 (3.73–14.32)14.55 (4.32–32.34)<0.001<0.001
ESSend, Pa3.41 (2.13–6.23)4.65 (2.54–9.14)9.69 (4.58–33.76)<0.001<0.001
ESSdownstream, Pa3.85 (2.13–7.17)4.64 (2.54–7.89)8.47 (4.14–16.58)0.0140.009
<25% stenosis
n = 129
Median (IQR)
25–50% stenosis
n = 89
≥50% stenosis
n = 19
P-valueP-value for trend
Minimal values
ESSupstream, Pa2.01 (0.91–2.99)1.86 (1.10–3.12)3.24 (0.93–5.54)0.2930.262
ESSstart, Pa2.24 (1.00–4.14)2.38 (1.38–4.40)2.33 (0.72–5.05)0.5230.328
ESSMLA, Pa2.80 (1.66–5.70)4.94 (2.61–10.61)11.00 (3.26–28.55)<0.001<0.001
ESSend, Pa1.67 (1.05–3.01)1.83 (0.97–5.30)3.71 (0.94–13.40)0.0940.055
ESSdownstream, Pa2.04 (0.95–3.65)2.26 (1.04–4.31)2.78 (1.05–7.12)0.2490.101
Maximal values
ESSupstream, Pa3.08 (1.85–4.56)3.27 (2.29–4.76)6.45 (1.98–9.14)0.0680.030
ESSstart, Pa3.62 (1.75–5.81)3.70 (2.51–6.01)6.68 (2.40–13.89)0.1620.079
ESSMLA, Pa4.21 (2.45–8.41)6.59 (3.73–14.32)14.55 (4.32–32.34)<0.001<0.001
ESSend, Pa3.41 (2.13–6.23)4.65 (2.54–9.14)9.69 (4.58–33.76)<0.001<0.001
ESSdownstream, Pa3.85 (2.13–7.17)4.64 (2.54–7.89)8.47 (4.14–16.58)0.0140.009

ESS, endothelial wall shear stress; MLA, minimal luminal area.

Table 3

Per-lesion ESS values according to stenosis severity

<25% stenosis
n = 129
Median (IQR)
25–50% stenosis
n = 89
≥50% stenosis
n = 19
P-valueP-value for trend
Minimal values
ESSupstream, Pa2.01 (0.91–2.99)1.86 (1.10–3.12)3.24 (0.93–5.54)0.2930.262
ESSstart, Pa2.24 (1.00–4.14)2.38 (1.38–4.40)2.33 (0.72–5.05)0.5230.328
ESSMLA, Pa2.80 (1.66–5.70)4.94 (2.61–10.61)11.00 (3.26–28.55)<0.001<0.001
ESSend, Pa1.67 (1.05–3.01)1.83 (0.97–5.30)3.71 (0.94–13.40)0.0940.055
ESSdownstream, Pa2.04 (0.95–3.65)2.26 (1.04–4.31)2.78 (1.05–7.12)0.2490.101
Maximal values
ESSupstream, Pa3.08 (1.85–4.56)3.27 (2.29–4.76)6.45 (1.98–9.14)0.0680.030
ESSstart, Pa3.62 (1.75–5.81)3.70 (2.51–6.01)6.68 (2.40–13.89)0.1620.079
ESSMLA, Pa4.21 (2.45–8.41)6.59 (3.73–14.32)14.55 (4.32–32.34)<0.001<0.001
ESSend, Pa3.41 (2.13–6.23)4.65 (2.54–9.14)9.69 (4.58–33.76)<0.001<0.001
ESSdownstream, Pa3.85 (2.13–7.17)4.64 (2.54–7.89)8.47 (4.14–16.58)0.0140.009
<25% stenosis
n = 129
Median (IQR)
25–50% stenosis
n = 89
≥50% stenosis
n = 19
P-valueP-value for trend
Minimal values
ESSupstream, Pa2.01 (0.91–2.99)1.86 (1.10–3.12)3.24 (0.93–5.54)0.2930.262
ESSstart, Pa2.24 (1.00–4.14)2.38 (1.38–4.40)2.33 (0.72–5.05)0.5230.328
ESSMLA, Pa2.80 (1.66–5.70)4.94 (2.61–10.61)11.00 (3.26–28.55)<0.001<0.001
ESSend, Pa1.67 (1.05–3.01)1.83 (0.97–5.30)3.71 (0.94–13.40)0.0940.055
ESSdownstream, Pa2.04 (0.95–3.65)2.26 (1.04–4.31)2.78 (1.05–7.12)0.2490.101
Maximal values
ESSupstream, Pa3.08 (1.85–4.56)3.27 (2.29–4.76)6.45 (1.98–9.14)0.0680.030
ESSstart, Pa3.62 (1.75–5.81)3.70 (2.51–6.01)6.68 (2.40–13.89)0.1620.079
ESSMLA, Pa4.21 (2.45–8.41)6.59 (3.73–14.32)14.55 (4.32–32.34)<0.001<0.001
ESSend, Pa3.41 (2.13–6.23)4.65 (2.54–9.14)9.69 (4.58–33.76)<0.001<0.001
ESSdownstream, Pa3.85 (2.13–7.17)4.64 (2.54–7.89)8.47 (4.14–16.58)0.0140.009

ESS, endothelial wall shear stress; MLA, minimal luminal area.

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