Severe periodontitis (OR, 95%CI) | p value | |
---|---|---|
Fitting model by standard linear regression, per SD increments | 0.75 (0.64, 0.89) | 0.001 |
Fitting model by two-piecewise linear regression | ||
Inflection point of lactate dehydrogenase, nmol/L | 102 | |
≤ 102 | 0.98 (0.98, 0.99) | 0.001 |
> 102 | 0.99 (0.98, 1.01) | 0.798 |