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Poster session 10

1492P - The role of LACE index in predicting 30-day unplanned readmission in patients receiving immunotherapy

Date

14 Sep 2024

Session

Poster session 10

Topics

Immunotherapy;  Supportive and Palliative Care

Tumour Site

Non-Small Cell Lung Cancer

Presenters

Duygu Ercan Uzundal

Citation

Annals of Oncology (2024) 35 (suppl_2): S913-S922. 10.1016/annonc/annonc1604

Authors

D. Ercan Uzundal, N. Ozdemir, A. Uner, A. Özet, O. Yazici

Author affiliations

  • Medical Oncology Department, Gazi University - Faculty of Medicine, 06560 - Ankara/TR

Resources

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Abstract 1492P

Background

The aim of this study was to investigate the LACE index to predict the risk of 30-day unplanned hospital readmission in patients receiving immunotherapy. Since hospitalisation is a common and costly condition, we evaluated this score in non-small cell metastatic lung cancer patients receiving immunotherapy.

Methods

Between January 2020 and December 2023, 157 patients with metastatic non-small cell lung cancer receiving immunotherapy in our center were screened. Patients who died during hospitalisation, patients admitted for chemotherapy and day care procedures, and subsequent hospitalisation within a month were excluded. LACE index model includes the length of hospitalization stay (L), acuity of the admission (A), comorbidities of patients (C), and the number of emergency department visits in the six months before admission (E). LACE index scores of the patients were calculated according to this model.

Results

A total of 72 metastatic non-small cell lung cancer patients hospitalised in our oncology inpatient clinic were included in the study. Thirty-five (48.6%) of the patients were over 65 years of age. Most of the patients had lung adenocarcinoma (n:49, 68.1%). Twenty-one (29.2%) patients had cranial metastases. Forty-four (61.1%) patients were hospitalised for palliative care and 28 (38.9%) were hospitalized due to infection. The median hospital stay of the patients was four days (min-max: 1- 30). The median LACE score of the patients was 11 (min-max: 6-16). Fourty-six (% 63.9) patients had a high LACE score, twenty-six were in the moderate group. Thirty (65.2%) of 46 patients with high LACE scores were readmitted to the hospital within 30 days. This rate was statistically significantly higher (p: 0.028) than the moderate group (n=10, 38.5%). While 45.7% of the patient group with a high LACE score died within 90 days, this rate was (26.9%) in the moderate patient group (p: 0.11).

Conclusions

The LACE index predicted one-month readmission in oncology patients receiving immunotherapy but was insufficient to predict death within 90 days. It can be considered as an easy-to-use index in patients receiving immunotherapy to predict readmission.

Clinical trial identification

Editorial acknowledgement

Legal entity responsible for the study

The authors.

Funding

Has not received any funding.

Disclosure

All authors have declared no conflicts of interest.

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