The Effect of IL-4 Gene Polymorphisms on Cytokine Production in Patients with Chronic Periodontitis and in Healthy Controls

Table 1

Demographic and clinical data in patients with chronic periodontitis (CP) and nonperiodontitis controls.

	Patients with CP	Controls
Number of subjects	47	15
Mean age (yrs ± SD)
Age range (yrs)	From 35 to 65	From 35 to 66
Sex (M/F)	21/26	4/11
PD (mm; mean ± SD)
CAL (mm; mean ± SD)

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