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◆要旨:【目的】前立腺癌に対するロボット支援根治的前立腺全摘除術施行症例(RARP群)とその他術式施行症例(非RARP群)の生化学的非再発生存(bRFS)率を,傾向スコアマッチング法を用いて比較する.【方法】根治的前立腺全摘除術施行の臨床病期cT1〜cT3前立腺癌患者732例に対し,後方視的観察研究を行った.【結果】傾向スコアマッチング法によりbRFS率の有意差は消失し,3年bRFS率は非RARP群88.0 (95%信頼区間:79.9-93.0)%,RARP群87.7(95%信頼区間:78.1-93.3)%であった.【結語】患者背景因子の差の調整後は,RARP群と非RARP群間のbRFS率に有意差を認めなかった.
[Purpose] The biochemical recurrence-free survival (bRFS) rates of patients who underwent robot-assisted radical prostatectomy (RARP group) and those patients who underwent other surgical procedures (non-RARP group) were compared using propensity score matching. [Method] A retrospective observational study was conducted on 732 patients with clinical stage cT1-cT3 prostate cancer who underwent radical prostatectomy. [Results] The significant difference in bRFS rates between the RARP and non-RARP groups disappeared using propensity score matching. The 3-year bRFS rates of the non-RARP and RARP groups were 88.0% (95% confidence interval : 79.9 - 93.0) and 87.7% (95% confidence interval : 78.1 - 93.3), respectively. [Conclusion] After adjusting for differences in patient background factors, significant difference in the bRFS rate was not apparent between the RARP and non-RARP groups.
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