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Evaluation of the effectiveness, according to the number of surfaces involved after 5 months
| Treatment | Number of surfaces | 5 months | Total | p value | |||
|---|---|---|---|---|---|---|---|
| Success | Failure | ||||||
| n | (%) | n | (%) | ||||
| NSF | Single | 25 | 75.75 | 8 | 24.24 | 33 | <0.001 |
| Multiple | 10 | 66.66 | 5 | 33.33 | 15 | ||
| Saline | Single | 10 | 34.48 | 19 | 65.5 | 29 | 0.015 |
| Multiple | 7 | 33.88 | 11 | 66.11 | 18 | ||
