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Ann Surg. 2010 Sep;252(3):552-7; discussion 557-8. doi: 10.1097/SLA.0b013e3181f2ac64.

Patient socioeconomic status is an independent predictor of operative mortality.

Author information

1
Department of Surgery, Duke University Medical Center, Durham, NC 27710, USA. benne051@mc.duke.edu

Abstract

OBJECTIVE:

To evaluate the impact of patient socioeconomic status (SES) on operative mortality within the context of associated factors.

SUMMARY OF BACKGROUND DATA:

Outcomes disparities among surgical patients are a significant concern. Previous studies have suggested that the correlation between SES and outcomes is attributable to other patient- or hospital-level explanatory factors such as race or hospital wealth. These studies have typically focused on a single explanation for the existence of these inequalities.

METHODS:

Analyzing more than 1 million records of the Nationwide Inpatient Sample, we used multimodel inference to evaluate the effects of socioeconomic predictors on surgical mortality.

RESULTS:

Using univariate and multivariate logistic regression, we find that patient's SES is a strong predictor of operative mortality. Multivariate regressions incorporated many additional hospital- and patient-level covariates. A single-level increase in patient SES results in a mean decrease in operative mortality risk of 7.1%.

CONCLUSIONS:

SES at the level of the individual patient has a statistically significant effect on operative mortality. Mortality is greatest among patients in the lowest socioeconomic strata. The effect of patient SES on mortality is not mitigated by other explanatory hospital- or patient-level factors.

PMID:
20739856
DOI:
10.1097/SLA.0b013e3181f2ac64
[Indexed for MEDLINE]

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