In HBeAg- negative patients with HBV DNA < 300 copies/ ml at week 24, resistance was 0% (0/ 177) at 48 weeks and 5% (9/ 177) at week 104, whilst in patients with HBV DNA ≥ 300 copies/ ml resistance was 11% (5/ 44) at 48 weeks and 34% (15/ 44) at week 104.