Table 1.

Characteristics of cases and healthy persons used in this study

	Healthy	Cases
		Adenomas1		Carcinomas
		Mild/moderate Dysplasia	Severe dysplasia
	(n = 10)	(n = 20)	(n = 15)	(n = 9)
Men2	4	15	13	7
Women2	6	5	2	2
Mean age + SD3	54.1 ± 3.4	59.1 ± 3.1	58.4 ± 4.3	61.67 ± 9.1

¹The adenomas are divided in groups according to diagnosed degree of dysplasia (mild/moderate or severe).

²There were significantly more males in the group with severe dysplasia compared to the group of healthy individuals (p = 0.014). There was no significant difference in the number of males and females between the group of healthy individuals and the group with mild/medium dysplasia or between the group of healthy individuals and the group with carcinomas (χ² test).

³There are significant differences in age among the four groups of healthy and affected individuals at 95% confidence level. There is no significant difference in age between the three case groups (Mann-Whitney test).