Key result
Although considerable variation exists in hospital-level factors and outcomes following cardiac surgery in the UK, multivariable analysis showed no significant association between these factors and patient outcomes.
Why the study?
Cardiothoracic surgery has pioneered reporting surgeon-specific outcomes, but the influence of hospital-level variations and inequalities in healthcare delivery on patient outcomes remained to be determined.
Do hospital-level factors affect postoperative mortality and complications in adult patients undergoing cardiac surgery?
Population
50,871 patients across 16 cardiac surgical units in the UK
Comparison
Hospital-level variations including beds, operating theatres, and staffing
Design
Retrospective analysis of prospectively collected multicentre registry data
Authors
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Hospital-level variations may affect cardiac surgery outcomes and access; leaves open system-level influences beyond surgeons for prospective confirmation.
Observational (n=50,871)
Yes
Do hospital-level factors affect postoperative mortality and complications in adult patients undergoing cardiac surgery?
Despite significant variation in hospital-level resources and outcomes across UK cardiac surgery units, no specific hospital-level factors were independently associated with patient outcomes.
Soppa et al. (2019) conducted an observational in Cardiac surgery (n=50,871). Hospital-level factors (e.g., volume, beds, staffing) vs. Variation across hospitals was evaluated on Association between hospital-level factors and patient outcomes (risk-adjusted mortality and postoperative complications). Although considerable variation exists in hospital-level factors and outcomes following cardiac surgery in the UK, multivariable analysis showed no significant association between these factors and patient outcomes.
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