Sub-year term, 1992,2002 was a statistically significant difference, but in 2006, Guangdong Province, men and women of hepatitis B surface antigen carrier rate or less, the difference is no longer statistically significant.

Looking at the year 1992, 2002, and there is a statistically 2006 Guangdong Province, but male and female crowd hepatitis B surface antigen, there is not much difference between carrying rate differential has no statistical significance.

A minute year looked that, 1992, in 2002 the difference had statistics significance, but in 2006 the Guangdong Province male and the feminine crowd hepatitis B surface antigen carrier rate difference was not big, difference already non-statistics significance.

Years come, 1992, differences are statistically, the 2006 Guangdong males and females HBsAg carrying rate comparable to, difference statistically.

Year, 1992, 2002 difference statistically significant, but male and female population of 2006 Guangdong Province HBsAg carrying rate the same, difference is not statistically significant.