International Journal of Analytical Chemistry

Research Article

Implication of Salivary Biochemical Parameters for Diagnosis and Prognosis of Type 2 Diabetes Mellitus

Table 5

Table showing linear regression analysis of salivary and blood variables in total population.


Variable		Linear regression equation	p	R²

Blood glucose	Total	y = 81.78 + 14.84 × (salivary glucose)	<0.001	0.262
	Case	y = 114.07 + 7.7 × (salivary glucose)	0.054	0.08
	Control	y = 78.8 + 7.69 × (salivary glucose)	0.004	0.16

Blood TC	Total	y = 139 + 2.52 × (salivary TC)	<0.001	0.133
	Case	y = 137.7 + 2.58 × (salivary TC)	0.01	0.12
	Control	y = 140 + 2.47 × (salivary TC)	0.021	0.11

Blood TG	Total	y = 75.5 + 4.97 × (salivary TG)	<0.001	0.182
	Case	y = 88.67 + 4.8 × (salivary TG)	0.0018	0.186
	Control	y = 74.7 + 3.79 × (salivary TG)	0.025	0.10

Blood HDL-C	Total	y = 40 + 2.1 × (Salivary HDL-C)	0.05	0.038
	Case	y = 42.37 + 1.12 × (Salivary HDL-C)	0.53	0.008
	Control	y = 38.11 + 2.4 × (Salivary HDL-C)	0.09	0.06

Blood LDL-C	Total	y = 84 + 2 × (salivary LDL-C)	0.003	0.085
	Case	y = 79.13 + 2.16 × (salivary LDL-C)	0.037	0.088
	Control	y = 84.78 + 2.45 × (salivary LDL-C)	0.02	0.11

Blood urea	Total	y = 11.63 + 0.54 × (salivary urea)	<0.001	0.497
	Case	y = 13.88 + 0.503 × (salivary urea)	<0.001	0.39
	Control	y = 14.62 + 0.37 × (salivary urea)	<0.001	0.26

Blood creatinine	Total	y = 0.43 + 1.5 × (salivary creatinine)	<0.001	0.648
	Case	y = 0.39 + 1.67 × (salivary creatinine)	<0.001	0.39
	Control	y = 1.07 + 0.49 × (salivary creatinine)	<0.001	0.36

Tc, total cholesterol; TG, triglyceride; HDL-C, high-density lipoprotein cholesterol; LDL-C, low-density lipoprotein cholesterol; R² denotes coefficient of determination, and bold indicates the level of significance at .