Medication safety incidents occur in all health care sectors and cause considerable morbidity and mortality, with 8.5% of all related incidents reported estimated to occur in primary care. A common incident classification system could facilitate collective learning from the analysis of medication-related errors and improve patient safety
The objective of this study was to assess the validity of a new classification system of medication safety incidents in primary care in Poland.
Analysis of data from a descriptive, cross-sectional, self-reported survey on the Learning from International Networks about Errors and Understanding Safety in Primary Care (LINNEAUS Euro-PC) medication safety incident classification for primary care with assessment of 10 case-based clinical scenarios done by doctors and pharmacists form community-based family medicine clinics and pharmacies in Lodz.
The percentages of overall agreement on judgements and a fixed-marginal multirater kappa (κ) coefficient as statistical measures of interrater agreement for categorical items.
The overall agreement levels were: category 1 - 86.3%; category 2 - 85.6%; category 3 - 72.1%; category 4 - 71.8%; and category 5 - 70.4%. The interrater agreement between the 15 evaluators varied as follows: category 1 fixed-marginal κ = 0.144; category 5 fixed-marginal κ = 0.565; category 3 fixed-marginal κ = 0.607; category 4 fixed-marginal κ = 0.634; and category 2 fixed-marginal κ = 0.807.
This is the first known study on levels of agreement on the perception of medication safety incidents and assessment of the validity of a related classification system in primary health care in Poland. Interrater agreement in this study was surprisingly high, but still leaves room for improvement.
Useful keywords (using NLM MeSH Indexing)
Adverse Drug Reaction Reporting Systems/standards*
Primary Health Care*
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