Table 2.

Drug therapy problems

	Category of drug therapy problems	Number of drug therapy problems (N = 301) (%a)
Indication	Unnecessary drug therapy	55 (18.27%)
	Needs additional drug therapy	50 (16.61%)
Effectiveness	Ineffective drug	2 (0.66%)
	Dosage too low	19 (6.31%)
Safety	Adverse drug reaction	130 (43.19%)
	Dosage too high	41 (13.62%)
Adherence	Non-adherence	4 (1.33%)

^a Percentages may not add up to 100 due to rounding