Table 1.

Comparison of DNA mutation number and amino acid changes (mean±SD)

Group	DNA mutations	Amino acid changes
eAg-Po (n = 7)	8.9 ± 3.7	0.9 ± 0.9
eAg-Ne (n = 10)	13.7 ± 5.4	5.0 ± 2.4b
HA (n = 10)	12.8 ± 5.8	4.3 ± 2.6a
LA (n = 7)	10.1 ± 41	1.7 ± 2.1

^aP<0.05 eAg-Po group,

^bP<0.001 vs LA group.