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| Baseline MMP-8 | Laser treatment | Surgical treatment |
|---|---|---|
| N | 50 (%) | 50 (%) |
| Negative | 10 (20) | 9 (18) |
| Positive | 40 (80) | 41 (82) |
| Total | 50 (100) | 50 (100) |
Abbreviations: MMP-8, matrix metalloproteinase-8; SD, standard deviation; SEM, standard error of the mean.
Note: Chi-square test, p -value chi-square = 0.07, p = 0.7988.
