Frequencies for rx_ce_nolowaged_rxhcc38 variable in rxcoeff dataset : rx_ce_nolow | aged_rxhcc3 | 8 -- | aseptic | necrosis of | bone | Freq. Percent Cum. ------------+----------------------------------- .063 | 1 100.00 100.00 ------------+----------------------------------- Total | 1 100.00 by Jean Roth , jroth@nber.org , 2 May 2016