Table 2 Lesion and procedural details.

From: Long-term prognostic value of Murray law-based quantitative flow ratio in jailed left circumflex coronary artery after left main crossover stenting

Baseline

All patients (n = 164)

High QFR (n = 135)

Low QFR (n = 29)

P value

LM-LAD

 Reference vessel diameter, proximal (mm)

3.25 (3.0, 3.5)

3.26 (2.90, 3.50)

3.18 (3.0, 3.5)

0.370

 Reference vessel diameter, distal (mm)

2.57 (2.30, 2.80)

2.54 (2.30, 2.80)

2.71 (2.35, 3.0)

0.105

 Minimal lumen diameter (mm)

1.37 (1.0, 1.60)

1.37 (1.00, 1.60)

1.38 (1.05, 1.65)

0.894

 Diameter stenosis (%)

50.80 (42.25, 62.0)

51.71 (43.0, 63.0)

46.52 (38.0, 59.5)

0.127

 LM-LAD lesion length (mm)

23.20 (12.5, 27.72)

22.65 (12.10, 27.50)

25.79 (14.3, 34.1)

0.367

LCx

 Reference vessel diameter, distal (mm)

2.89 (2.60, 3.10)

2.92 (2.60, 3.20)

2.77 (2.50, 2.90)

0.039

 Minimal lumen diameter (mm)

2.51 (2.15, 2.88)

2.57 (2.20, 3.00)

2.20 (1.8, 2.55)

0.001

 Diameter stenosis (%)

14.98 (2.03, 23.75)

13.47 (0, 23.0)

21.97 (5.0, 42.0)

0.004

LM-LAD stent

 Stent length (mm)

25.10 (18.0, 30.0)

25.11 (18.0, 30.0)

25.02 (18.0, 31.5)

0.962

 Stent diameter (mm)

3.51 (3.5, 4.0)

3.51 (3.5, 4.0)

3.50 (3.0, 4.0)

0.853

After LM-LAD stenting

 LM-LAD

  Minimal lumen diameter (mm)

2.66 (2.22, 3.10)

2.64 (2.20, 3.10)

2.79 (2.40, 3.20)

0.277

  Diameter stenosis (%)

13.53 (2.0, 21.75)

14.09 (2.90, 22.0)

10.95 (0, 16.5)

0.213

  LM-LAD QFR

0.94 (0.92, 0.98)

0.94 (0.92, 0.98)

0.94 (0.92, 0.98)

0.625

 Ostial LCx

  Minimal lumen diameter (mm)

2.10 (1.60, 2.59)

2.22 (1.80, 2.70)

1.54 (1.10, 1.80)

0.001

  Diameter stenosis (%)

28.14 (15.0, 41.0)

24.32 (11.00, 37.00)

45.93 (13.60, 57.0)

0.001

  LM-LCx QFR

0.88 (0.84, 0.95)

0.92 (0.87, 0.96)

0.72 (0.68, 0.76)

0.001

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