Table 2.

Demographic information and parameters regarding oral hygiene of peritoneal dialysis (PD) patients and healthy controls.

	PD patients	Controls	P value
Age (years)	46.8 ± 9.7	42.2 ± 14.5	0.282
Sex (male %)	42.9%	28.6%	0.392
Education level			>0.999
Basic/elementary school	85.7%	83.3%
High school/university	14.3%	16.7%
Smoking habits
Past	58.3%	33.3%	0.387
At sample collection	16.7%	11.1%	>0.999
Visual plaque index (%)	59.7 ± 27.7	48.4 ± 23.1	0.254
Saliva biochemistry
Flow rate (mL/min)	0.40 ± 0.26	0.41 ± 0.30	0.871
pH	7.72 ± 0.53	7.06 ± 0.39	<0.001
Urea (mg/dL)	110.41 ± 36.64	28.79 ± 5.90	<0.001

Results are shown in prevalence (%) or mean ± SD; PD, peritoneal dialysis.