Abstract S81
12 months
48 months
36 months
Stage 1
(69/118) 59%
(54/118) 46%
(46/118) 39%
Stage 2
(23/45) 49%
(13/45) 28%
(12/45) 26%
Stage 3
(46/151) 31%
(20/151) 13%
(10/151) 17%
Stage 4
(12/175) 7%
(6/175) 3%
(1/175) 0.6%