Table 1.

Ammonia concentration (mM), standard deviation, median, interquartile range, and p-value for saliva and plaque produced by urease and arginine deiminase system (ADS) for caries-free and caries-active subjects

Urealisis	Saliva	Media	0.089	0.04	0.003 *
		SD	0.0429	0.0199
		Median	0.082	0.032
		IR	0.033	0.028
	Plaque	Media	0.113	0.032	0.001 *
		SD	0.059	0.013
		Median	0.098	0.028
		IR	0.049	0.014
ADS	Saliva	Media	0.087	0.058	0.001 *
		SD	0.0179	0.014
		Median	0.087	0.055
		IR	0.011	0.015
	Plaque	Media	0.071	0.05	0.008 *
		SD	0.0198	0.0128
		Median	0.071	0.048
		IR	0.019	0.067

SD=Standard deviation; IR=Interquartile range;

^*Mann-Whitney test