Table 6.

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

	Admission		Discharge
Total study population n = 102	Mean ± SDa	Range	Mean ± SDa	Range	P-valueb
Number of drugs per patient	10.9 ± 4.2	0-20	12.1 ± 4.3	2-21	<0.0001*
Number of pDDIsc per patient	1.9 ± 1.9	0-8	2.7 ± 2.5	0-11	<0.0001*
Number of pDDIsc per drug prescribed	0.2 ± 0.2	0-0.83	0.2 ± 0.2	0-0.64	0.0016*
TXd subgroup n = 49
Number of drugs per patient	12.6 ± 3.1	4-20	13.3 ± 3.2	5-20	0.055
Number of pDDIsc per patient	1.8 ± 2.4	0-8	2.7 ± 2.8	0-11	0.014*
Number of pDDIsc per drug prescribed	0.1 ± 0.1	0-0.53	0.2 ± 0.2	0-0,64	0.014*

Only pDDIs classified as moderate or severe were included in the analysis.

^a SD = standard deviation

^b p = statistical significance according to the t-test

^c pDDIs = potential drug-drug interactions

^d TX = transplantation

* Statistically significant