Table 3

Grey-scale intravascular ultrasound findings

No-reflow (n = 24)Normal-reflow (n = 166)P-value
Proximal reference
 EEM CSA (mm2)15.8 ± 7.815.6 ± 5.80.4
 Lumen CSA (mm2)9.8 ± 4.59.8 ± 3.51.0
 P&M CSA (mm2)6.0 ± 3.25.8 ± 3.20.4
 Plaque burden (%)38 ± 937 ± 90.6

Minimum lumen site
 EEM CSA (mm2)16.2 ± 6.015.6 ± 5.80.042
 Lumen CSA (mm2)3.4 ± 2.44.0 ± 2.10.021
 P&M CSA (mm2)12.8 ± 4.811.6 ± 4.30.013
 Plaque burden (%)79 ± 1274 ± 160.008

IVUS lesion length (mm)22 ± 1318 ± 120.020
Distal reference
 EEM CSA (mm2)15.2 ± 5.715.0 ± 5.00.4
 Lumen CSA (mm2)9.3 ± 3.69.6 ± 3.10.2
 P&M CSA (mm2)5.9 ± 2.85.4 ± 2.70.14
 Plaque burden (%)39 ± 1336 ± 120.16

Remodelling index1.05 ± 0.381.02 ± 0.230.068
Minimum stent CSA (mm2)8.8 ± 3.48.4 ± 2.90.087
Stent expansion (%)92 ± 1987 ± 170.076
No-reflow (n = 24)Normal-reflow (n = 166)P-value
Proximal reference
 EEM CSA (mm2)15.8 ± 7.815.6 ± 5.80.4
 Lumen CSA (mm2)9.8 ± 4.59.8 ± 3.51.0
 P&M CSA (mm2)6.0 ± 3.25.8 ± 3.20.4
 Plaque burden (%)38 ± 937 ± 90.6

Minimum lumen site
 EEM CSA (mm2)16.2 ± 6.015.6 ± 5.80.042
 Lumen CSA (mm2)3.4 ± 2.44.0 ± 2.10.021
 P&M CSA (mm2)12.8 ± 4.811.6 ± 4.30.013
 Plaque burden (%)79 ± 1274 ± 160.008

IVUS lesion length (mm)22 ± 1318 ± 120.020
Distal reference
 EEM CSA (mm2)15.2 ± 5.715.0 ± 5.00.4
 Lumen CSA (mm2)9.3 ± 3.69.6 ± 3.10.2
 P&M CSA (mm2)5.9 ± 2.85.4 ± 2.70.14
 Plaque burden (%)39 ± 1336 ± 120.16

Remodelling index1.05 ± 0.381.02 ± 0.230.068
Minimum stent CSA (mm2)8.8 ± 3.48.4 ± 2.90.087
Stent expansion (%)92 ± 1987 ± 170.076
Table 3

Grey-scale intravascular ultrasound findings

No-reflow (n = 24)Normal-reflow (n = 166)P-value
Proximal reference
 EEM CSA (mm2)15.8 ± 7.815.6 ± 5.80.4
 Lumen CSA (mm2)9.8 ± 4.59.8 ± 3.51.0
 P&M CSA (mm2)6.0 ± 3.25.8 ± 3.20.4
 Plaque burden (%)38 ± 937 ± 90.6

Minimum lumen site
 EEM CSA (mm2)16.2 ± 6.015.6 ± 5.80.042
 Lumen CSA (mm2)3.4 ± 2.44.0 ± 2.10.021
 P&M CSA (mm2)12.8 ± 4.811.6 ± 4.30.013
 Plaque burden (%)79 ± 1274 ± 160.008

IVUS lesion length (mm)22 ± 1318 ± 120.020
Distal reference
 EEM CSA (mm2)15.2 ± 5.715.0 ± 5.00.4
 Lumen CSA (mm2)9.3 ± 3.69.6 ± 3.10.2
 P&M CSA (mm2)5.9 ± 2.85.4 ± 2.70.14
 Plaque burden (%)39 ± 1336 ± 120.16

Remodelling index1.05 ± 0.381.02 ± 0.230.068
Minimum stent CSA (mm2)8.8 ± 3.48.4 ± 2.90.087
Stent expansion (%)92 ± 1987 ± 170.076
No-reflow (n = 24)Normal-reflow (n = 166)P-value
Proximal reference
 EEM CSA (mm2)15.8 ± 7.815.6 ± 5.80.4
 Lumen CSA (mm2)9.8 ± 4.59.8 ± 3.51.0
 P&M CSA (mm2)6.0 ± 3.25.8 ± 3.20.4
 Plaque burden (%)38 ± 937 ± 90.6

Minimum lumen site
 EEM CSA (mm2)16.2 ± 6.015.6 ± 5.80.042
 Lumen CSA (mm2)3.4 ± 2.44.0 ± 2.10.021
 P&M CSA (mm2)12.8 ± 4.811.6 ± 4.30.013
 Plaque burden (%)79 ± 1274 ± 160.008

IVUS lesion length (mm)22 ± 1318 ± 120.020
Distal reference
 EEM CSA (mm2)15.2 ± 5.715.0 ± 5.00.4
 Lumen CSA (mm2)9.3 ± 3.69.6 ± 3.10.2
 P&M CSA (mm2)5.9 ± 2.85.4 ± 2.70.14
 Plaque burden (%)39 ± 1336 ± 120.16

Remodelling index1.05 ± 0.381.02 ± 0.230.068
Minimum stent CSA (mm2)8.8 ± 3.48.4 ± 2.90.087
Stent expansion (%)92 ± 1987 ± 170.076
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