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Evaluation of the effectiveness, according to the number of surfaces involved after 12 months
| Treatment | Number of surfaces | 12 months | Total | p value | |||
|---|---|---|---|---|---|---|---|
| Success | Failure | ||||||
| n | (%) | n | (%) | ||||
| NSF | Single | 21 | 67.74 | 10 | 32.25 | 31 | 0.003 |
| Multiple | 9 | 60 | 6 | 40 | 15 | ||
| Saline | Single | 8 | 28.50 | 20 | 71.40 | 28 | 0.045 |
| Multiple | 5 | 26.41 | 12 | 73.58 | 17 | ||
