[Table/Fig-2]:

Comparison of Concentrations of Sodium Nitrite in saliva (μg/dl) using Post-HOC Tukey HSD analysis.

(I) Group	(J) Group	Tukey HSD Q statistic	p-Value
Group I	Group II	13.6927	<0.001
	Group III	10.0764	<0.001
Group II	Group IV	40.0399	<0.001
	Group III	3.6163	0.155
Group III	Group IV	26.3472	<0.001
	Group IV	29.9635	<0.001

p ≤ 0.05 = significant