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<p>Our study aimed to examine the predictive relevance of the Systemic Immune-Inflammation Index (SII) in patients with metastatic castration-resistant prostate cancer (mCRPC). A total of 113 mCRPC patients were assessed. In this descriptive study, SII was calculated using the formula (neutrophil count × platelet count)/lymphocyte count. The optimal threshold for SII, determined via the ROC curve, was 700. Patients with SII ≤ 700 were classified as SII-low, while those with SII &gt; 700 were categorized as SII-high. The median overall survival (mOS) was significantly longer in the low SII group compared to the high SII group (*<i>P</i> = 0.015). In multivariate analysis, Gleason score, albumin levels, CHAARTED volume, and SII were identified as significant prognostic factors. Our findings indicate that SII has a strong correlation with survival and can serve as an independent prognostic marker in mCRPC patients.</p>

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The prognostic role of systemic immune-inflammation index, SII, in Metastatic Castration-Resistant Prostate Cancer patients

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年3月14日

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  • Mehmet Uzun,
  • Savas Gokcek,
  • Erhan Kaya,
  • Huseyin Salih Semiz

摘要

Our study aimed to examine the predictive relevance of the Systemic Immune-Inflammation Index (SII) in patients with metastatic castration-resistant prostate cancer (mCRPC). A total of 113 mCRPC patients were assessed. In this descriptive study, SII was calculated using the formula (neutrophil count × platelet count)/lymphocyte count. The optimal threshold for SII, determined via the ROC curve, was 700. Patients with SII ≤ 700 were classified as SII-low, while those with SII > 700 were categorized as SII-high. The median overall survival (mOS) was significantly longer in the low SII group compared to the high SII group (*P = 0.015). In multivariate analysis, Gleason score, albumin levels, CHAARTED volume, and SII were identified as significant prognostic factors. Our findings indicate that SII has a strong correlation with survival and can serve as an independent prognostic marker in mCRPC patients.