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Comparison of pre- and post-operative probing depth with 3-5 mm scores in test group by paired t-test
| Time | Mean±SD | Mean difference | SD difference | Percentage of change | Z | P |
|---|---|---|---|---|---|---|
| Preoperative | 51.89±16.04 | 28.00 | 19.07 | 53.96 | 7.7698 | 0.0001* |
| Postoperative | 23.89±14.83 |
*P<0.05. SD: Standard deviation
