Frequencies for rx_ce_lownoaged_rxhcc93 variable in rxcoeff dataset : rx_ce_lowno | aged_rxhcc9 | 3 -- atrial | arrhythmias | Freq. Percent Cum. ------------+----------------------------------- 0 | 1 100.00 100.00 ------------+----------------------------------- Total | 1 100.00 by Jean Roth , jroth@nber.org , 2 May 2016