Table 2.
Angiographic findings
| Group A FCT ≤ 65 μm (n = 147) |
Group B 65 < FCT ≤ 80 μm (n = 84) |
Group C FCT > 80 μm(n = 271) |
P-value | |
|---|---|---|---|---|
| Culprit vessel, n (%) | ||||
| Left anterior descending, n (%) | 57 (38.8) | 35 (41.7) | 158 (58.3) #△ | < 0.001 |
| Left circumflex, n (%) | 28 (19.0) | 20 (23.8) | 38 (14.0) # | 0.088 |
| Right coronary artery, n (%) | 62 (42.2) | 29 (34.5) | 75 (27.7) △ | 0.010 |
| QCA findings | ||||
| MLD, mm | 0.96 ± 0.63 | 1.15 ± 0.91 | 1.26 ± 0.90 △ | 0.002 |
| RLD, mm | 7.35 ± 4.41 | 7.85 ± 3.07 | 7.07 ± 2.73 | 0.527 |
| DS, % | 84.5 ± 9.2 | 82.8 ± 13.7 | 79.4 ± 10.4 △ | 0.038 |
| Lesion length, mm | 24.6 ± 8.0 | 23.5 ± 7.9 | 23.6 ± 8.7 | 0.416 |
MLD minimal lumen diameter, mm, RLD reference lumen diameter, mm, DS diameter stenosis
#significance between 65 < FCT ≤ 80 μm group and FCT>80 μm group; △significance between FCT ≤ 65 μm group and FCT>80 μm group. Values are n(%)