Evaluating patient safety indicators in orthopedic surgery between Italy and the USA

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Abstract

Objective

To compare patient safety in major orthopedic procedures between an orthopedic hospital in Italy, and 26 US hospitals of similar size.

Design

Retrospective analysis of administrative data from hospital discharge records in Italy and Florida, USA, 2011–13. Patient Safety Indicators (PSIs) developed by the Agency for Healthcare Quality and Research were used to identify inpatient adverse events (AEs). We examined the factors associated with the development of each different PSI, taking into account known confounders, using logistic regression.

Setting

One Italian orthopedic hospital and 26 hospitals in Florida with ≥ 1000 major orthopedic procedures per year.

Participants

Patients ≥ 18 years who underwent 1 of the 17 major orthopedic procedures, and with a length of stay (LOS) > 1 day.

Intervention

Patient Safety management between Italy and the USA.

Main Outcome Measure

Patient Safety Indicators.

Results

A total of 14 393 patients in Italy (mean age = 59.8 years) and 131 371 in the USA (mean age = 65.4 years) were included. US patients had lower adjusted odds of developing a PSI compared to Italy for pressure ulcers (odds ratio [OR]: 0.21; 95% confidence interval [CI]: 0.10–0.45), hemorrhage or hematoma (OR: 0.42; CI 0.23–0.78), physiologic and metabolic derangement (OR: 0.08; CI 0.02–0.37). Italian patients had lower odds of pulmonary embolism/deep vein thrombosis (OR: 3.17; CI 2.16–4.67) compared to US patients.

Conclusions

Important differences in patient safety events were identified across countries using US developed PSIs. Though caution about potential coding differences is wise when comparing PSIs internationally, other differences may explain AEs, and offer opportunities for cross-country learning about safe practices.

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