Drug-Related Problems among Hospitalized Surgical Elderly Patients in China

Table 2

Detected drug-related problems () according to the PCNE DRP classification V8.02.

Primary domain	Code	Detailed classification		%
(1) Treatment effectiveness; There is a (potential) problem with the (lack of) effect of the pharmacotherapy	P1	Total	332	31.3
	P1.1	No effect of drug treatment	40	3.8
	P1.2	Effect of drug treatment not optimal	267	25.1
	P1.3	Untreated symptoms or indication	25	2.4
(2) Treatment safety; Patient suffers, or could suffer, from an adverse drug event	P2	Total	476	44.9
	P2.1	Adverse drug event (possibly) occurring	476	44.9
(3) Others	P3	Total	253	23.8
	P3.1	Problem with cost-effectiveness of the treatment	33	3.1
	P3.2	Unnecessary drug treatment	202	19.0
	P3.3	Unclear problem/complaint. Further clarification necessary (please use as escape only)	18	1.7
Total			1061	100.0

PCNE: Pharmaceutical Care Network Europe; DRP: drug-related problem.