. 2015 Oct 19;76(4):423–427. doi: 10.1590/S1808-86942010000400003

Table 1.

Analysis of the age and exposure duration between Groups I and II (t-Student Test).

Variable		Mean	SD	p value
Age (years)	Group I Group II	39,1 38,32	4,41 3,49	0,313^a
Exposure time (years)	Group I	12,57	5,40
	Group II	12,05	5,79	0,693^a

SD: Standard Deviation

non-significant result for a = 0.05