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Table 4 (ii) Overview of DRP categories of the medication review procedure in the IG

From: Determine the impact of a structured pharmacist-led medication review - a controlled intervention study to optimise medication safety for residents in long-term care facilities

DRP categories 1) No. of identified DRPs [n]a;
No. of affected NHRs [n]
2) No. of forwarded
DRPs [n]b;
No. of affected NHRs [n (%)]d
3) No. of resolved DRPs [n]c;
No. of affected NHRs [n [%)]e
Prescribing problems 922; 105 721; 101 (96%) 365; 86 (85%)
 Drug-drug interaction 376; 92 205; 75 (82%) 136; 61 (81%)
 Unclear indication for drug 179; 81 172; 78 (96%) 99; 60 (77%)
 Insufficient drug treatment 138; 77 133; 74 (96%) 30; 21 (28%)
 PIM 116; 68 108; 65 (96%) 45; 33 (51%)
 Dosing problems 37; 27 35; 25 (93%) 17; 14 (56%)
 Inappropriate drug for indication or concomitant condition 26; 22 23; 20 (91%) 13, 11 (55%)
 Therapeutic duplication 23; 18 20; 16 (89%) 11; 8 (50%)
 Inappropriate treatment duration/ drug form/ administration time 19; 18 17; 17 (94%) 9; 9 (53%)
 Contraindication 8; 6 8; 6 (100%) 5; 4 (67%)
Medication use problems 196; 68 182; 64 (94%) 108;48 (75%)
 Incorrect storage 71; 46 68; 43 (93%) 51; 34 (79%)
 Incorrect dispensing 61; 38 59; 36 (95%) 27; 22 (61%)
 Incorrect administration 48; 33 41; 29 (88%) 21; 18 (62%)
 Incorrect preperation 16; 8 14; 7 (88%) 9;4 (57%)
Documentation problems
 Incomplete or unclear documentation in medication records 134; 62 127; 60 (97%) 53; 37 (62%)
Total 1252; 107 1030; 103 (96%) 526; 94 (91%)
  1. Abbreviations: DRP drug related problem, NHR nursing home resident, PIM potentially inappropriate medication
  2. a Data of all identified DRPs includes both clinically relevant and not clinically relevant DRPs
  3. b Data of forwarded DRPs includes only the clinically relevant DRPs that were forwarded to the healthcare professionals
  4. c Data of resolved DRPs includes only the clinically relevant DRPs and refers to the DRPs forwarded to healthcare professionals
  5. d Percentages of residents refer to the respective number of residents with identified DRPs (1)
  6. e Percentages of residents refer to the respective number of residents with DRPs forwarded to healthcare professionals (2)