Table 3.
The analysis of grading difficulty of MCAO-SEED scoring.
| Characteristics | Technical success, no. (%) | TMB (min), median (IQR) | Periprocedural complications, no. (%) |
|---|---|---|---|
| Block section>10 mm (n = 58) | 43 (74.1) | 10 (6, 14) | 15 (25.9) |
| Block section≤10 mm (n = 55) | 51 (92.7) | 3 (2, 8) | 3 (5.5) |
| p | 0.008 | <0.001 | 0.003 |
| Nontapered (n = 29) | 22 (75.9) | 10 (6, 16.5) | 6 (20.7) |
| Tapered (n = 84) | 72 (85.7) | 5 (2, 10) | 12 (14.3) |
| p | 0.35 | 0.001 | 0.604 |
| No distal collateral retrograde filling (n = 24) | 12 (50) | 14 (6, 20) | 13 (54.2) |
| Distal collateral retrograde filling (n = 89) | 82 (92.1) | 6 (2, 10) | 5 (5.6) |
| p | <0.001 | 0.002 | <0.001 |
| Angle<90° (n = 42) | 29 (69) | 10.5 (5.75, 15) | 13 (31) |
| Angle≥90° (n = 71) | 65 (91.5) | 5 (2, 9) | 5 (7) |
| p | 0.002 | <0.001 | 0.001 |
IQR interquartile range, mRS modified Rankin Scale, TMB time of microguide wire through the block.