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Established Primary Care Provider Improves Odds of Survival to Discharge for Injured Patients
Christopher J McLaughlin1, Joseph Hess2, Scott B Armen3
1Department of Surgery, Penn State College of Medicine, Hershey, PA.
Insights
Patients with primary care providers (PCPs) had a significantly lower mortality rate after injury. Establishing primary care before trauma improves survival outcomes and should be promoted within health systems.
Area of Science:
- Trauma Surgery
- Health Services Research
- Public Health
Background:
- Increasing age and comorbidities in trauma patients impact outcomes.
- Primary care providers (PCPs) manage pre-injury comorbidities.
- The role of primary care in trauma systems is not well-defined.
Purpose of the Study:
- To investigate the association between pre-injury primary care and outcomes in trauma patients.
- To determine if having a PCP affects mortality rates in injured individuals.
Main Methods:
- Retrospective review of an institutional trauma databank (2013-2019).
- Case-control matching compared patients with and without PCPs.
- Analysis included mortality rates, length of stay, and complication rates.
Main Results:
- Patients with PCPs had a lower mortality rate (1.6% vs. 3.6%, P < 0.01).
- PCPs were associated with an increased odds of survival to discharge (OR 2.58, P < 0.001).
- No significant differences in complications, ICU, or ventilator days were observed.
Conclusions:
- Pre-injury primary care is associated with significantly improved survival for trauma patients.
- Further prospective studies are needed to explore strategies for integrating primary care into trauma systems.
Introduction:
The average age and number of comorbidities is increasing among trauma patients. Primary care providers (PCPs) provide pre-injury diagnosis and management of comorbidities that may affect outcomes for injured patients. The role of primary care in trauma systems is currently unknown.
Methods:
Observational retrospective review of an institutional trauma databank from 2013 - 2019. PCP was extracted from the electronic medical record and combined with trauma data. Case-control matching was performed to compare outcomes between patients with and without primary care based on age, injury severity score, sex, and injury mechanism. Mann-Whitney U test, chi-square test, and multivariate regression described differences between subgroups. Primary outcome was difference in mortality rate for injured patients with and without PCPs.
Results:
Within the study period, 19,096 patients were included. 6,626 (34.7%) had a PCP recorded. Of these, 2,158 were matched in a case-control design. Patients with PCPs had a lower mortality rate (1.6%) compared to patients without PCPs (3.6%, P < 0.01). PCP retention was associated with longer length of stay overall, equivalent rates of complications (5.4% vs. 5.7%, P = 0.63), and similar numbers of ICU and ventilator days. Multivariate logistic regression controlling for case-control factors, insurance, and comorbidities conferred an odds ratio of 2.58 (95% Confidence Interval: 1.59 - 4.19, P < 0.001) for survival to discharge.
Conclusion:
Pre-injury primary care significantly improves the odds of survival to discharge for injured patients. Prospective study of this relationship may identify strategies to promote primary care within health systems.
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