Frequencies for rx_ce_lownoaged_rxhcc123 variable in rxcoeff dataset : rx_ce_lowno | aged_rxhcc1 | 23 -- | chronic | kidney | disease | stage 4 | Freq. Percent Cum. ------------+----------------------------------- .156 | 1 100.00 100.00 ------------+----------------------------------- Total | 1 100.00 by Jean Roth , jroth@nber.org , 2 May 2016