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Linear regression analysis to predict the severity of periodontitis using suppression of tumorigenicity 2 (ST2) levels in the gingival crevicular fluid (GCF).
| Independent variable | Dependent variable | Correlation coefficient (r) | β-coefficient | P value | 95% confidence interval |
|---|---|---|---|---|---|
| ST2 | Periodontal probing depth | 0.930 | 0.014 | 0.000 | −1.317 to 0.653 |
