Table 2.
Radiological parameters of MCA atherosclerotic plaques in the train set and test set.
| Train Set (n=88) | Test Set (n=22) | |||||
|---|---|---|---|---|---|---|
| Symptomatic Group(40) | Asymptomatic Group(48) | P-value | Symptomatic Group(10) | Asymptomatic Group(12) | P-value | |
| VAMNL | 14.08±3.30 | 13.86±2.94 | 0.739 | 16.20±3.49 | 12.93±2.34 | 0.290 |
| LAMNL | 2.39±0.79 | 3.68±0.89 | 0.000 | 2.46±0.70 | 3.36±0.98 | 0.029 |
| VAreference | 13.29±3.45 | 14.78±3.65 | 0.053 | 15.96±5.73 | 13.46±2.63 | 0.441 |
| LAreference | 6.93±2.07 | 8.26±2.35 | 0.106 | 7.55±1.24 | 7.72±1.87 | 0.823 |
| RI | 1.09±0.07 | 0.94±0.08 | 0.000 | 1.04±0.08 | 0.97±0.06 | 0.013 |
| Sd(%) | 66.21±8.88 | 67.04±8.26 | 0.490 | 67.25±8.70 | 64.14±8.90 | 0.437 |
| PA | 5.71±1.56 | 4.26±1.18 | 0.000 | 5.84±1.67 | 4.22±1.15 | 0.014 |
| NWIreference | 0.47±0.10 | 0.44±0.08 | 0.109 | 0.49±0.16 | 0.43±0.09 | 0.254 |
| NWIMNL | 0.85±0.04 | 0.79±0.03 | 0.000 | 0.86±0.05 | 0.78±0.05 | 0.000 |
| WAMNL | 11.71±2.92 | 11.17±2.52 | 0.353 | 12.71±3.62 | 10.18±1.87 | 0.094 |
| WAMNL | 6.36±2.34 | 6.52±2.14 | 0.751 | 6.41±2.42 | 5.74±1.60 | 0.402 |
Note: The P-value is obtained by a t-test. MNL=most narrowed lumen; reference= reference site; VA=vessel area; LA=lumen area; RI=remodeling index; Sd=stenotic degree; PA=plaque area; NWI=normalized wall index; WA=wall area.