Modified Raymond-Roy Classification immediately after procedure and at follow-up
| A. | ||||||
|---|---|---|---|---|---|---|
| First follow-up occlusion class (7.92 months) | ||||||
| I | II | IIIa | IIIb | Total | ||
| Initial occlusion class | I | 77.05% (47) | 19.67% (12) | 0.00% (0) | 3.28% (2) | 61 |
| II | 16.90% (12) | 74.65% (53) | 0.00% (0) | 8.45% (6) | 71 | |
| IIIa | 52.78% (38) | 30.56% (22) | 8.33% (6) | 8.33% (6) | 72 | |
| IIIb | 6.38% (3) | 8.51% (4) | 4.26% (2) | 80.85% (38) | 47 | |
| Total | 100 | 91 | 8 | 52 | 251 | |
| B. | ||||||
|---|---|---|---|---|---|---|
| Second follow-up occlusion class (21.54 months) | ||||||
| I | II | IIIa | IIIb | Total | ||
| Initial occlusion class | I | 81.08% (30) | 18.92% (7) | 0.00% (0) | 0.00% (0) | 37 |
| II | 21.95% (9) | 73.17% (30) | 0.00% (0) | 4.88% (2) | 41 | |
| IIIa | 61.76% (21) | 32.35% (11) | 5.88% (2) | 0.00% (0) | 34 | |
| IIIb | 0.00% (0) | 13.33% (2) | 6.67% (1) | 80.00% (12) | 15 | |
| Total | 60 | 50 | 3 | 14 | 127 | |