Frequencies for rx_ce_lownoaged_rxhcc227 variable in rxcoeff dataset : Rx_CE_LowNo | Aged_RXHCC2 | 27 -- | Pulmonary | Fibrosis | and Other | Chronic | Lung | Disorders | Freq. Percent Cum. ------------+----------------------------------- .257 | 1 100.00 100.00 ------------+----------------------------------- Total | 1 100.00 by Jean Roth , jroth@nber.org , 7 Feb 2019