test you made are usless alone, see info here:
http://www.medhelp.org/health_pages/list?cid=153
with hbeag pos he has a lot of virus replication but hbvdna is needed to confirm of much, if he is cronic hbe pos it is difficult he can control it, virus cannot be eradicated but choice of correct drugs can lower replication and so alt disease
virus quantity can t be exactly measured (hbv is complicated and made of various parts plus virions) you can only measure its replication