Key result
Elective inpatient major therapeutic procedures showed no significant change in in-house mortality between 2007 and 2019 (net estimated decrease 0.036%; 99% CI -0.168 to 0.097; P=0.49).
Why the study?
It was unclear whether small reductions in inpatient mortality over time were masked by increasing patient illness acuity or reflected documentation changes such as the transition from ICD-9 to ICD-10.
Population
3,151,107 hospitalizations for major therapeutic surgical procedures with lengths of stay ≥2 days across 213 Florida hospitals
Comparison
Trends over time from the last quarter of 2007 through 2019 and ICD-9 vs ICD-10 coding
Design
Retrospective observational cohort study
Authors
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Stable mortality despite rising comorbidity documentation in elective surgery; leaves open whether coding practices confound risk trends in observational cohorts.
Observational (n=3,151,107)
Yes
Effect estimate: net estimated decrease 0.036% (95% CI -0.168 to 0.097)
p-value: p=0.49
Despite an increase in documented comorbidities over a 12-year period, there was no significant change in hospital mortality for patients undergoing elective major therapeutic procedures in Florida.
Epstein et al. (2023) conducted an observational in Elective inpatient major therapeutic procedures (n=3,151,107). Year of study (2007 to 2019) was evaluated on in-house mortality (net estimated decrease 0.036%, 95% CI -0.168 to 0.097, p=0.49). Elective inpatient major therapeutic procedures showed no significant change in in-house mortality between 2007 and 2019 (net estimated decrease 0.036%; 99% CI -0.168 to 0.097; P=0.49).
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