● As of January 1, 2010 the CSRG has a total of 1155 patients.
● 16 sites (16 sites recruited all these patients but only 12 are now active)
● 705 were seen for 1-year visit
● 529 were seen for 2-year visit
● 297 were seen for 3-year visit
● 222 were seen for 4-year visit
● 58 were seen for 5-year visit