Talk:NCDS

patients remaining on 4/1/1980

group     n randomized    n remaining
I         41              16 (0.39)
II        32              8  (0.25)
III       41              20 (0.49)
IV        37              6  (0.16) 

low BUN   82              36 (0.44)
(I & III)

high BUN  69              14 (0.20)
(II & IV)