In HBeAg positive patients with HBV DNA < 300 copies/ ml at week 24, resistance was 1% (3/ 203) at 48 weeks and 9% (18/ 203) at week 104, whilst in patients with HBV DNA ≥ 300 copies/ ml resistance was 8% (20/ 247) at 48 weeks and 39% (97/ 247) at week 104.