Table 3

OFDI Results at the 8-Month Follow-Up

OFDI-Guided (n = 54)IVUS-Guided (n = 49)p Value
In-stent segment
 3D analysis
  Stent volume, mm3140.1 (109.2–214.9)158.8 (118.0–223.4)0.49
  Lumen volume, mm3131.2 (101.8–192.7)147.4 (104.2–191.8)0.69
  Neointima volume, mm312.0 (6.5–20.5)16.2 (7.0–22.8)0.34
 Cross-section–based analysis
  Length, mm22.7 (17.8–28.0)19.0 (16.3–28.2)0.28
  Mean stent area, mm26.66 (4.92–7.84)7.20 (6.24–8.74)0.055
  Minimum stent area, mm25.37 (3.82–6.02)5.77 (5.19–7.61)0.024
  Mean lumen area, mm26.33 (4.77–7.39)6.34 (5.37–7.87)0.24
  Minimum lumen area, mm24.81 (3.26–5.92)5.04 (4.43–6.24)0.18
  Mean stent eccentricity index0.92 (0.89–0.93)0.91 (0.90–0.93)0.64
  Mean neointima area, mm20.46 (0.36–0.76)0.62 (0.40–1.06)0.057
  Mean neointima thickness, μm0.07 (0.05–0.10)0.08 (0.06–0.13)0.078
 Stent malapposition
  Stent with malapposition18 (39.1)15 (35.7)0.83
  Location of malapposition
   Proximal edge6 (13.0)3 (7.1)0.49
   Distal edge0 (0.0)2 (4.8)0.22
   Stent body15 (32.6)13 (31.0)1.00
  Malapposed strut, %0.00 (0.00–0.47)0.00 (0.00–0.26)0.62
  Stent malapposition volume, mm31.00 (0.10–2.02)0.33 (0.01–1.59)0.31
  Mean stent malapposition area, mm20.03 (0.00–0.08)0.01 (0.00–0.07)0.36
  Uncovered struts, %4.05 (1.56–11.26)2.16 (0.70–7.33)0.039
Proximal reference segment
 Length, mm5.06 (4.94–5.06)5.06 (4.94–5.06)0.95
 Lumen volume, mm333.4 (22.9–41.1)33.5 (27.7–43.8)0.52
 Mean lumen area, mm26.65 (4.41–8.08)7.04 (5.47–8.94)0.49
 Minimum lumen area, mm25.86 (3.65–7.46)6.29 (4.80–7.79)0.24
 Dissection0 (0.0)1 (2.5)0.49
Distal reference segment
 Length, mm5.06 (4.94–5.06)5.06 (5.06–5.06)0.53
 Lumen volume, mm324.4 (19.1–29.0)26.6 (22.6–32.8)0.11
 Mean lumen area, mm24.84 (3.74–5.94)5.39 (4.18–6.81)0.22
 Minimum lumen area, mm24.41 (2.75–5.16)4.72 (3.07–5.71)0.36
 Dissection0 (0.0)1 (2.4)0.48

Values are median (interquartile range) or n (%).

Abbreviations as in Table 1.