FIGURE 2.

Prevalence of discouraged drug pairs by patient type. Each point represents one discouraged drug pair, and size the absolute value of the standardised difference in proportions using as reference admissions during which treatment with any discouraged pair was initiated. DF (N = 5): Domperidone (A03FA03) + Fluconazole (J02AC01); WD (N = 3): Warfarin (B01AA03) + Diclofenac (M01AB05, systemic); WI (N = 18): Warfarin (B01AA03) + Ibuprofen (M01AE01); SC (N = 6): Simvastatin (C10AA01) + Clarithromycin (J01FA09); MV (N = 1): Meropenem (J01DH02) + Valproic acid (N03AG01); EF (N = 1): Erythromycin (J01FA01) + Fluconazole (J02AC01); FV (N = 1): Fluoxetine (N06AB03) + Venlafaxine (N06AX16) [Colour figure can be viewed at wileyonlinelibrary.com]