Table 1.

A description of the prevalence and interaction effect for the 10 most frequently dispensed (co-prescribed) ‘severe’ DDIs per number of TILDA participants

Red Stockley’s warning: a life-threatening or contraindicated combination; orange Stockley’s warning: dosage adjustment or close monitoring is needed

BNF British National Formulary, CI confidence interval, DDI drug-drug interaction, INR international normalised ratio, TILDA The Irish LongituDinal study on Ageing

^†n < 5 TILDA participants still receiving this DDI 12 months after first receipt