Research Article

Long-Term Survival of Cancer Patients Following COVID-19 Infection: Prognostic Value of Inflammatory Indices and Vaccination Status

Volume: 52 March 26, 2026
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Long-Term Survival of Cancer Patients Following COVID-19 Infection: Prognostic Value of Inflammatory Indices and Vaccination Status

Abstract

The survival outcomes of cancer patients exposed to Coronavirus Disease 2019 (COVID-19), the duration required to resume oncological treatment, and the subsequent course of their malignancy remain areas with limited data. This retrospective study evaluated 128 cancer patients hospitalized for COVID-19 treatment between April 2020 and October 2023. Of the cohort, 39.8% were women and 60.2% were men. Findings revealed that patients with metastatic lung involvement faced a 3.34-fold increased risk of death during the acute infection. In the post-COVID survival cohort, multivariate analysis indicated that younger age, higher hemoglobin levels, higher systemic inflammatory index, lower pan-immune inflammation value, and absence of active cancer were associated with longer survival. Additionally, vaccine-related survival differences were observed; however, these findings should be interpreted cautiously as they likely reflect confounding factors such as prioritizing high-risk patients for certain vaccine types rather than a direct causal relationship. Notably, while treatment delays were common among patients with disease progression, these delays did not result in a statistically significant difference in overall survival during the long-term follow-up.

Keywords

Supporting Institution

The authors declare that this research received no external funding.

Ethical Statement

All procedures performed in this retrospective study involving human participants were conducted in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki declaration and its later amendments. The study protocol was approved by the Ethics Committee of Bursa Uludağ University Faculty of Medicine (Approval No. 2023-9/27, dated April 25, 2023). The requirement for informed consent was waived by the ethics committee due to the retrospective nature of the study.

Thanks

Authors would like to thank Dr. İlker Ercan (Department of Biostatistics, Uludag University, Bursa, Turkey) for the precious help with sample size calculation.

References

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Details

APA
Sali, S., Ötegeçeli, M. A., Özalp, Ş., Şahin, A. B., Ocak, B., Sali, M., Çoban, E., Caner, B., Oyucu Orhan, S., Deligönül, A., Evrensel, T., & Çubukçu, E. (2026). Long-Term Survival of Cancer Patients Following COVID-19 Infection: Prognostic Value of Inflammatory Indices and Vaccination Status. Journal of Uludağ University Medical Faculty, 52, 1898579. https://doi.org/10.32708/uutfd.1898579
AMA
1.Sali S, Ötegeçeli MA, Özalp Ş, et al. Long-Term Survival of Cancer Patients Following COVID-19 Infection: Prognostic Value of Inflammatory Indices and Vaccination Status. Journal of Uludağ University Medical Faculty. 2026;52:1898579. doi:10.32708/uutfd.1898579
Chicago
Sali, Seda, Mehmet Akif Ötegeçeli, Şule Özalp, et al. 2026. “Long-Term Survival of Cancer Patients Following COVID-19 Infection: Prognostic Value of Inflammatory Indices and Vaccination Status”. Journal of Uludağ University Medical Faculty 52 (March): 1898579. https://doi.org/10.32708/uutfd.1898579.
EndNote
Sali S, Ötegeçeli MA, Özalp Ş, Şahin AB, Ocak B, Sali M, Çoban E, Caner B, Oyucu Orhan S, Deligönül A, Evrensel T, Çubukçu E (March 1, 2026) Long-Term Survival of Cancer Patients Following COVID-19 Infection: Prognostic Value of Inflammatory Indices and Vaccination Status. Journal of Uludağ University Medical Faculty 52 1898579.
IEEE
[1]S. Sali et al., “Long-Term Survival of Cancer Patients Following COVID-19 Infection: Prognostic Value of Inflammatory Indices and Vaccination Status”, Journal of Uludağ University Medical Faculty, vol. 52, p. 1898579, Mar. 2026, doi: 10.32708/uutfd.1898579.
ISNAD
Sali, Seda - Ötegeçeli, Mehmet Akif - Özalp, Şule - Şahin, Ahmet Bilgehan - Ocak, Birol - Sali, Mürsel - Çoban, Eyüp et al. “Long-Term Survival of Cancer Patients Following COVID-19 Infection: Prognostic Value of Inflammatory Indices and Vaccination Status”. Journal of Uludağ University Medical Faculty 52 (March 1, 2026): 1898579. https://doi.org/10.32708/uutfd.1898579.
JAMA
1.Sali S, Ötegeçeli MA, Özalp Ş, Şahin AB, Ocak B, Sali M, Çoban E, Caner B, Oyucu Orhan S, Deligönül A, Evrensel T, Çubukçu E. Long-Term Survival of Cancer Patients Following COVID-19 Infection: Prognostic Value of Inflammatory Indices and Vaccination Status. Journal of Uludağ University Medical Faculty. 2026;52:1898579.
MLA
Sali, Seda, et al. “Long-Term Survival of Cancer Patients Following COVID-19 Infection: Prognostic Value of Inflammatory Indices and Vaccination Status”. Journal of Uludağ University Medical Faculty, vol. 52, Mar. 2026, p. 1898579, doi:10.32708/uutfd.1898579.
Vancouver
1.Seda Sali, Mehmet Akif Ötegeçeli, Şule Özalp, Ahmet Bilgehan Şahin, Birol Ocak, Mürsel Sali, Eyüp Çoban, Burcu Caner, Sibel Oyucu Orhan, Adem Deligönül, Türkkan Evrensel, Erdem Çubukçu. Long-Term Survival of Cancer Patients Following COVID-19 Infection: Prognostic Value of Inflammatory Indices and Vaccination Status. Journal of Uludağ University Medical Faculty. 2026 Mar. 1;52:1898579. doi:10.32708/uutfd.1898579

ISSN: 1300-414X, e-ISSN: 2645-9027

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2023