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

Table 1

Correlation between TIMP-1 levels in healthy control group and periodontally diseased group before and after nonsurgical periodontal therapy.

	𝑁	Mean TIMP-1	SD	𝑡	𝑃
Category
Healthy control	25	129.7	53.4	2.987	0.004
Disease group	27	89.7	43.0
Disease group
Before	27	89.7	43.0	1.304	0.204
After	27	80.7	44.4

𝑁 denotes the number of sample subjects, SD: standard deviation, t-student t test and P value-power of significance.