METHODS	Multivariate Cox regression analyses was used , to identify clusters in which digoxin was associated with either an increase ( Mortality ( dig ) HR > 1 ) , decrease ( Mortality ( dig ) HR < 1 ) , or no association with all cause mortality ( Mortality ( dig ) HR-NS ) ; and separately , with an increase ( HFA ( dig ) HR > 1 ) , decrease ( HFA ( dig ) HR < 1 ) , or no association ( HFA ( dig ) HR-NS ) with HF admissions ( HFA ) .\