Estimated length of stay calculated by “diagnosisrelated groups” in patients with prostate cancer: a retrospective analysis

Estimated length of stay calculated by “diagnosisrelated groups” in patients with prostate cancer: a retrospective analysis

Introduction: To evaluate whether the presence of bone metastasis in hospitalized patients with prostate cancer (PCa) is associated with a longer length of stay (LOS) when compared to LOS estimated by diagnosis-related groups (DRG). Methods: We performed a retrospective analysis of 86 admissions of...

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Bibliographic Details
Published in:Brazilian Journal of Oncology Vol. 17
Main Authors: Daniel Melecchi Freitas, Isabelle W Zorzo, Gisele Bastos Nader, Eduardo Franco Carvalhal, Jussara Maccari, Luiz Nasi, Mauro Weiss
Format: Journal Article
Language:English
Published: Sociedade Brasileira de Oncologia Clínica, Sociedade Brasileira de Cirurgia Clínica and Sociedade Brasileira de Radioterapia 01-10-2021
Subjects:
bone metastasis
diagnostic-related groups
length of stay
prostatic neoplasm
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Summary:Introduction: To evaluate whether the presence of bone metastasis in hospitalized patients with prostate cancer (PCa) is associated with a longer length of stay (LOS) when compared to LOS estimated by diagnosis-related groups (DRG). Methods: We performed a retrospective analysis of 86 admissions of patients with PCa at our facility in 2018-2019. Admissions were divided into two groups based on actual LOS and LOS estimated by DRG: group 1 (actual LOS≥DRG-LOS) and group 2 (actual LOS<DRG-LOS). The association of bone metastasis and other variables with increased LOS was evaluated by logistic regression with univariable and multivariable analysis, controlling baseline patient characteristics. Results: Longer LOS was not associated with baseline characteristics (age, body mass index, and presence of comorbidities), but was significantly associated with type of admission and ICU (intensive care unit) admission during hospitalization (p<0.05). Bone metastasis was observed in 28 (68.3%) of group 2 admissions and was independently associated with increased LOS (group 2) on univariable and multivariable analysis (OR=4.76, 95% CI=1.91-11.8, p=0.001; OR=3.48, 95% CI=1.08-11.2, p=0.03, respectively). Conclusion: Among clinical or surgical admissions of patients with PCa over a 1-year period, presence of bone metastasis was independently associated with increased LOS when compared to LOS estimated by DRG. The presence of bone metastasis may be used to identify possible outliers not recognized by the DRG system.
ISSN:2526-8732
DOI:10.5935/2526-8732.20210004