classification of shunt size | Preoperative | 3 months | 6 months | 12 months |
---|---|---|---|---|
no shunt | 0 (0%) | 91 (68.9%) | 111 (84.1%) | 122 (92.4%) |
small | 0 (0%) | 23 (17.4%) | 11 (8.3%) | 6 (4.5%) |
moderate | 25 (18.9%) | 10 (7.6%) | 6 (4.5%) | 3 (2.3%) |
large | 107 (81.1%) | 6 (6.1%) | 4 (3.0%) | 1 (0.8%) |