Effect of Periodontal Surgery on Osteoprotegerin Levels in Gingival Crevicular Fluid, Saliva, and Gingival Tissues of Chronic Periodontitis Patients

Table 1

Sample description.

Group	Chronic periodontitis	Control
Number of subjects	20	10
Age (years; mean ± SD)	41.2 ± 4.8	37.81 ± 8.3
Gender (; female/male)	12/8	6/4

SD: standard deviation.