Table 2.

Periodontal parameters of the subjects.

Oral parameters	Normal-to-mild group (n=184)	Moderate-to-severe group (n=88)	P value
PI	1.76 ± 0.24	1.85 ± 0.38	0.168
PD	3.02 ± 0.68	3.01 ± 0.65	0.957
CI	1.78 ± 0.25	1.82 ± 0.35	0.445
CAL	3.51 ± 1.21	3.97 ± 1.06*	0.05
GI	2.29 ± 0.34	2.35 ± 0.32	0.404
Number of teeth (n)
>25	116	33*	0.0001
11-24	61	48*	0.01
<10	7	7	0.248
Number of teeth lost	4.99 ± 7.3	8.56 ± 7.54*	0.016
Severity of periodontitis (n)
Mild	50	15	0.067
Moderate	70	32	0.789
Severe	64	41	0.061
Severity staging of periodontitis for males (n)
Mild	22	8	0.292
Moderate	33	11	0.054
Severe	38	35*	0.005
Severity of staging periodontitis for females (n)
Mild	29	6	0.143
Moderate	36	21*	0.027
Severe	26	7	0.368

Continuous variables are expressed in the form mean ± SD; categorical variables are expressed as percentages.

*p < 0.05 vs. normal-to-mild group.