Pegasys 360/ 180 or Pegasys 360/ 180 or 180 μ g 180 μ g & & Ribavirin 1000/ 1200 Ribavirin mg 1000/ 1200 mg 72 or 48 Weeks 72 Weeks (N = 942) (N = 473) Pts with SVR in Pts with VR at Wk 12 a VR at Wk 12 b (N = 876) (N = 100)