Table 2.

Distribution of CBMN frequency with age

Subjects	Age range				All ages	t	P
	31–40	41–50	51–60	>60
CBMN frequency of study subjects	13.5 ± 2.08 (n = 2)	14.82 ± 2.34 (n = 13)	15.43 ± 2.32 (n = 17)	15.77 ± 2.32 (n = 14)	15.21 ± 2.3 (n = 46)	9.328	0.001
CBMN frequency of controls	9.86 ± 1.2 (n = 6)	10.8 ± 1.23 (n = 10)	11.0 ± 1.26 (n = 7)	11.0 ± 1.16 (n = 2)	10.6 ± 1.22 (n = 25)

Values are mean ± SD. Compared to the control group the CBMN frequency was higher in the patients at all age groups (P < 0.05)