Comparison of Salivary TIMP-1 Levels in Periodontally Involved and Healthy Controls and the Response to Nonsurgical Periodontal Therapy

Table 3

Correlation of periodontally diseased TIMP-1 levels with clinical parameters namely gingival index, clinical attachment level, and oral hygiene index before nonsurgical periodontal therapy.

PD TIMP-1	𝑟	𝑃
GI Pre	0.016	0.937
CAL Pre	0.169	0.398
OHI Pre	−0.121	0.549

PD: periodontally diseased group, 𝑟: correlation coefficient, 𝑃: power of significance.