Table 3. Demographic, clinical and laboratory characteristics in dentate groups according to the periodontal status; quantitative parameters.

Parameters	Healthy periodontium and gingivitis (n=65)	Moderate and severe periodontitis (n=38)	p-value
Age (years)	59±14	69±10	0.000*
Age at start of hemodialysis	55±14	64±11	0.000*
Duration of hemodialysis therapy (months)	50±56	54±67	0.737
Number of teeth	14.77±7.60	7.11±5.57	0.000*
Serum C-reactive protein (mg/L)	12.12±13.49	15.36±15.10	0.264
Serum albumin (g/dL)	3.96±0.51	3.91±0.41	0.601
Serum calcium (mg/dL)	8.30±1.06	8.39±1.06	0.657
Serum phosphorus (mg/dL)	5.87±1.59	5.29±1.68	0.084
Serum alkaline phosphatase (UI/L)	106.56±46.06	108.82±38.42	0.800
Parathormone (pg/mL)	553.99±503.56	591.84±588.48	0.730

Results are given as mean±SD;

^*p<0.05, statistically significant