Baseline characteristics of the study population after propensity score matching
| Characteristics | DCB group (n=32) | CB group (n=32) | P value |
| Age, years, mean±SD | 56.9±6.9 | 58.0±8.6 | 0.588 |
| Men, n (%) | 24 (75.0) | 22 (68.8) | 0.578 |
| Risk factors, n (%) | |||
| Hypertension | 25 (78.1) | 26 (81.3) | 0.756 |
| Hyperlipidemia | 20 (62.5) | 18 (56.3) | 0.611 |
| Diabetes | 13 (39.1) | 14 (46.5) | 0.800 |
| Smoking history | 10 (31.3) | 13 (39.1) | 0.434 |
| Hyperhomocysteinemia | 4 (12.5) | 6 (18.8) | 0.731 |
| NIHSS score, median (IQR) | 1 (2) | 1 (2) | 0.544 |
| mRS score, median (IQR) | 1.5 (1) | 1.5 (1) | 0.090 |
| Qualifying artery, n (%) | 0.274 | ||
| Internal carotid artery | 8 (26.1) | 3 (9.3) | |
| Middle cerebral artery | 10 (30.5) | 13 (41.9) | |
| Vertebral artery | 7 (21.7) | 5 (13.9) | |
| Basilar artery | 7 (21.7) | 11 (34.9) | |
| Mori typing, n (%) | 0.606 | ||
| Mori A | 14 (56.5) | 17 (53.1) | |
| Mori B | 15 (34.8) | 11 (34.4) | |
| Mori C | 3 (8.7) | 4 (12.5) | |
| Stenosis, median (IQR) | |||
| Pre-treatment | 80 (12.75) | 84.5 (13.25) | 0.388 |
| Post-treatment | 21.50 (17.25) | 20.00 (15.00) | 0.561 |
| Lesion length, mm, mean±SD | 6.9±2.8 | 6.8±2.9 | 0.855 |
CB, conventional balloon; DCB, drug-coated balloon; mRS, modified Rankin Scale; NIHSS, National Institutes of Health Stroke Scale.