Comparison of mean, SD, median, and quartiles of salivary hydroxyproline levels between two study groups
| Salivary hydroxyproline levels (mg/L) group | Mean | SD | Median | 1st quartile | 3rd quartile | P-value |
|---|---|---|---|---|---|---|
| Healthy group | 0.079 | 0.006 | 0.078 | 0.076 | 0.080 | 0.001 |
| Unhealthy group | 0.197 | 0.289 | 0.099 | 0.081 | 0.109 |