Table 1.

Demographics of the study subjects.

	Control (n = 24)	Diabetics (n = 24)	p value
Age (years)	67 (58.8–70.0)	67.5 (58.3–70.8)	–
Gender (male/female)	11/13	11/13	–
BMI (kg/m2)	26.5 (25.0–29.3)	29 (26.3–35.8)	0.049
Fasting glucose (mg/dL)	94.5 (89.0–98.3)	199.5 (193.0–265.5)	–
HbA1c (%)	5.5 (5.1–5.9)	9.0 (8.0–12.7)	< 0.001
Salivary flow rate (mL/min)
PS	0.29 (0.11–0.43)	0.31 (0.19–0.53)	0.428 (NS)
SS	0.42 (0.30–0.51)	0.24 (0.18–0.45)	0.021
Total protein (μg/μL)
PS	1.99 (1.51–2.98)	1.88 (1.58–2.23)	0.404 (NS)
SS	1.97 (1.60–2.56)	1.52 (1.13–1.79)	< 0.001

The data shown are the median value for each parameter; the 25th and 75th percentile values are shown in parentheses.

Abbreviations: PS: stimulated parotid saliva, SS: stimulated submandibular/sublingual saliva.

p value determined using the non-parametric Mann–Whitney U-test.

–: not statistically evaluated for differences.

NS: not significant.