Table 6 Quantitative drug use and potential drug-drug interactions at hospital admission and discharge

Number of drugs per patient

10.9 ± 4.2

0-20

12.1 ± 4.3

2-21

<0.0001*

Number of pDDIs^c per patient

1.9 ± 1.9

0-8

2.7 ± 2.5

0-11

<0.0001*

Number of pDDIs^c per drug prescribed

0.2 ± 0.2

0-0.83

0.2 ± 0.2

0-0.64

0.0016*

TX^d subgroup n = 49

Number of drugs per patient

12.6 ± 3.1

4-20

13.3 ± 3.2

5-20

0.055

Number of pDDIs^c per patient

1.8 ± 2.4

0-8

2.7 ± 2.8

0-11

0.014*

Number of pDDIs^c per drug prescribed

0.1 ± 0.1

0-0.53

0.2 ± 0.2

0-0,64

0.014*