• Emma Bertilsson, Victoria Östman, Henrik Cam, Kristin Franzon, and Ulrika Gillespie.
• Department of Pharmacy, Uppsala University, Uppsala, Sweden.
• J Eval Clin Pract. 2025 Feb 1; 31 (1): e70006e70006.

RationaleTransitions of care are periods of heightened risk of medication management errors. Poor-quality discharge documentation has been linked to incorrect or suboptimal medication use and unplanned hospital visits. Despite regulations defining essential components of medication-related discharge documentation, deficiencies persist, highlighting the need for a method to assess whether current clinical practice meets these standards.AimsTo conduct an initial validation of a newly developed instrument, the Complete Medication Documentation at Discharge - Measure (CMDD-M), assessing the quality and completeness of medication-related discharge documentation in a Swedish clinical setting.MethodsThe instrument was developed and refined in multiple stages. In this study, two clinical pharmacists and one geriatrician independently applied the final instrument to discharge documentation from 50 patients. Inter-rater reliability (IRR) was evaluated using linear and quadratic weighted Cohen's κ (κW linear and κW quadratic).ResultsThe average CMDD-M score, based on the consensus of the three raters, was 3.40 (SD ± 2.50) out of nine possible points across the patients' discharge documentation. The IRR between the pharmacists' individual assessments demonstrated almost perfect agreement, with κW linear and κW quadratic values of 0.92 (95% CI: 0.80-1.00) and 0.97 (95% CI: 0.85-1.00), respectively. Moreover, the IRR between the pharmacists' consolidated score and the geriatrician's assessment displayed a moderate to strong agreement, with κW linear and κW quadratic values of 0.64 (95% CI: 0.48-0.80) and 0.80 (95% CI: 0.64-0.97), respectively.ConclusionThe CMDD-M demonstrated robust IRR confirming its ability to consistently and accurately measure the quality and completeness of medication-related discharge documentation in an easy-to-use form. Further research is recommended to ensure validity, generalisability and association with clinically relevant outcomes supporting the instrument's potential usefulness for evaluating and improving clinical practice and research.© 2025 John Wiley & Sons Ltd.

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