Table 4. NBI findings for the first year and after 1-year.
| NBI findings | |||
| BV-H | BV-BB | BV-V | |
| First year | 144 (46 %) | 162 (52 %) | 6 (2 %) |
| 1-year follow-up | 148 (47 %) | 137 (44 %) | 27 (8.7 %) |
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