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绘制用于预测在接受前列腺根治性切除术后行早期挽救性放疗的患者出现生化复发的列线图。通过多中心调查,得以确认472例淋巴结阴性的前列腺根治性切除术后发生生化复发的患者,所有患者均接受早期挽救性放疗,局部放射范围为前列腺及精囊手术野,且PSA≤0.5ng/ml。将连续2次PSA≥0.2ng/ml作为早期挽救性放疗后的生化复发指标,使用单因素和多因素Cox回归模型预测早期挽救
Plotting a nomogram used to predict biochemical recurrence in patients undergoing salvage radiotherapy after radical prostatectomy. Through multicentre investigation, 472 patients with biochemical recurrence after radical prostatectomy were confirmed. All patients underwent early salvage radiotherapy. The local radiological range was prostate and seminal vesicle surgical field, and PSA≤0.5ng / ml . Two consecutive PSA≥0.2ng / ml as the indicators of biochemical recurrence after early salvage radiotherapy, single-factor and multi-factor Cox regression models predict early salvage