Table 1. Descriptive statistics on age and gender of patients.

		Subjects	Gender		Age (years)
			Female	Male	Mean	Median	Standard deviation	Minimum	Maximum
Group	Overall	56	33	23	31.4	27.5	7.9	20.3	68.5
	Health	37	26	11	28.4	26.9	4.6	22.0	52.0
	Caries	19	7	12	37.2	32.7	11.9	20.3	68.5