Chemokine Receptor 2 (CXCR2) Gene Variants and Their Association with Periodontal Bacteria in Patients with Chronic Periodontitis

Table 1

Demographic data of CP patients and healthy nonperiodontitis controls.

Characteristics	Controls ()	CP ()
Age (, years)
Gender (males/females)	82/89	150/179
Smoking (no/yes) (%)	73.68/26.32	72.49/27.18
BMI (, kg m^-2)
PD (, mm)
AL (, mm)
PI (, mm)
GI (, mm)

AL = attachment loss; CP = chronic periodontitis; GI = gingival index;  = number of subjects; PD = probing depth; PI = plaque index; SD = standard deviation. .