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Routine postcesarean urine culture. A cost-effectiveness analysis.
E P Sakala1, K Fillmore, R D Murray
1Department of Gynecology and Obstetrics, Loma Linda University Medical Center, California 92350.
The Journal of Reproductive Medicine
|April 1, 1990
Summary
Screening urinalysis effectively predicts positive urine cultures in postcesarean patients, showing high sensitivity and specificity. Routine urine cultures are not cost-effective for these patients.
Area of Science:
- Obstetrics and Gynecology
- Clinical Microbiology
Background:
- Postcesarean infections pose risks to maternal health.
- Accurate diagnosis of urinary tract infections (UTIs) is crucial for timely treatment.
- Current diagnostic protocols may include routine urine cultures, but their cost-effectiveness is debated.
Purpose of the Study:
- To evaluate the utility of screening urinalysis in predicting positive urine cultures among postcesarean patients.
- To determine the diagnostic accuracy of urinalysis for detecting UTIs in this population.
Main Methods:
- A retrospective study analyzing paired urinalysis and urine culture reports.
- Inclusion of 302 patients who underwent cesarean delivery.
- Statistical analysis of sensitivity, specificity, positive predictive value, and negative predictive value.
Main Results:
- Screening urinalysis demonstrated high diagnostic accuracy for predicting positive urine cultures.
- Sensitivity was 90.4% and specificity was 97.5%.
- Positive predictive value was 73.1% and negative predictive value was 99.3%.
Conclusions:
- Screening urinalysis is a valuable tool for predicting positive urine cultures in postcesarean patients.
- Routine postcesarean urine cultures were found to be not cost-effective.
- Urinalysis can guide decisions regarding further urine culture testing, potentially optimizing resource allocation.