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. Author manuscript; available in PMC: 2024 May 15.
Published in final edited form as: Int J Cardiol. 2023 Mar 7;379:24–32. doi: 10.1016/j.ijcard.2023.03.014

Table 2.

Baseline IVUS Indices

All(n=103) Non-MB (n=39) MB (n=64) p value
Vessel VI (mm3/mm)
 Entire Vessel 15.05 ± 3.50 15.02 ± 4.01 15.07 ± 3.19 0.95
  Proximal Segment 18.70 ± 4.29 17.83 ± 4.54 19.23 ± 4.07 0.11
  Middle Segment 15.26 ± 4.26 15.30 ± 4.63 15.24 ± 4.06 0.95
  Distal Segment 11.20 ± 3.43 11.94 ± 3.84 10.75 ± 3.09 0.09
Lumen VI (mm3/mm)
 Entire Vessel 12.35 ± 2.92 11.98 ± 3.35 12.58 ± 2.63 0.32
  Proximal Segment 15.26 ± 3.81 14.20 ± 3.88 15.92 ± 3.63 0.03
  Middle Segment 12.46 ± 3.49 12.11 ± 3.82 12.67 ± 3.29 0.43
  Distal Segment 9.33 ± 2.83 9.64 ± 3.19 9.15 ± 2.59 0.39
Intimal VI (mm3/mm)
 Entire Vessel 2.70 ± 1.38 3.04 ± 1.65 2.50 ± 1.16 0.05
  Proximal Segment 3.43 ± 1.76 3.64 ± 1.90 3.31 ± 1.69 0.37
  Middle Segment 2.80 ± 1.74 3.19 ± 2.02 2.57 ± 1.51 0.08
  Distal Segment 1.86 ± 1.09 2.30 ± 1.43 1.61 ± 0.72 0.0002

Values are expressed as mean ± SD.

VI = volume index; MB = myocardial bridging; IVUS = intravascular ultrasound.