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Table 3 Types of drug-related problems and pharmacists’ interventions and outcomes according to the Pharmaceutical Care Network Europe DRP classification tool V9.00

From: Identification and solution of drug-related problems in the neurology unit of a tertiary hospital in China

Primary domain Number Frequency (%)
Types of drug-related problems
 Treatment effectiveness P1
  No effect of drug treatment P1.1 3 1.24
  Effect of drug treatment not optimal P1.2 58 24.0
  Untreated symptoms or indication P1.3 17 7.02
 Treatment Safety P2
  Adverse drug event (possibly) occurring P2.1 106 43.8
 Others P3
  Problem with the cost-effectiveness of the treatment P3.1 2 0.83
  Unnecessary drug-treatment P3.2 56 23.1
Pharmacists’ interventions
 At prescriber level I1
  Prescriber informed only I1.1 1 0.2
  Prescriber asked for information I1.2 13 2.5
  Intervention proposed to prescriber I1.3 199 37.9
  Intervention discussed with prescriber I1.4 28 5.3
 At patient level I2
  Spoken to family member/caregiver I2.4 19 3.6
 At drug level I3
  Drug changed to … I3.1 43 8.2
  Dosage changed to … I3.2 42 8
  Formulation changed to … I3.3 6 1.1
  Instructions for use changed to … I3.4 69 13.1
  Drug paused or stopped I3.5 59 11.2
  Drug started I3.6 42 8
 Other intervention or activity I4
  Side effect reported to authorities I4.2 4 0.8
Outcomes of interventions
 Not known O0
  Problem status unknown O0.1 0 0
 Solved O1
  Problem totally solved O1.1 225 93.0
 Partially solved O2
  Problem partially solved O2.1 0 0
 Not solved O3
  Problem not solved, lack of cooperation of patient O3.1 2 0.8
  Problem not solved, lack of cooperation of prescriber O3.2 15 6.2
  Problem not solved, intervention not effective O3.3 0 0
  No need or possibility to solve problem O3.4 0 0
  1. Abbreviations: P problem, I intervention, O outcome