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Purpose <p>Testicular torsion is a prevalent scrotal emergency associated with a significant risk of testicular loss, and there is no reliable scoring system available to assess the likelihood of orchiectomy following testicular torsion.</p> Methods <p>Clinical characteristics and surgical data of patients with testicular torsion from January 2015 to May 2024 were gathered from National Center for Children’s Health (NCCH) and the Children’s Hospital of Capital Institute of Pediatrics (CIPCH). Independent risk variables for testicular resection were evaluated by logistic regression analyses, leading to the establishment of a nomogram. The performance of the nomogram was assessed and validated using AUC, C-index, calibration curves, and DCA. Patients were classified based on their risk score obtained from the nomogram for clinical application.</p> Results <p>A total of 387 patients were included. Risk factors were identified by multifactorial analysis: symptoms duration, testicular blood flow, degree of torsion, and cryptorchidism. A nomogram exhibits an area under the ROC curve of 0.9305 and a C-index of 0.9310. A scoring system was developed accordingly, categorising patients into four groups; 88.7% of patients in the super-low and low-risk categories preserved their testes, while 78.6% in the super-high and high-risk categories underwent testicular resection.</p> Conclusion <p>The strong concordance between predicted and actual outcomes suggests the model’s utility in clinical decision-making. The nomogram demonstrates robust calibration and differentiation capabilities.</p>

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Nomogram predicts risk score and likehood of orchiectomy in patients with testicular torsion: a multicenter retrospective study

  • 期刊论文

  • 发表日期：

    2025年3月12日

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  • Jingmin Zhang,
  • Zihong Wang,
  • Haoyuan Zhang,
  • Zikun Shao,
  • Wenjie Wang,
  • Ying Qiu,
  • Haosen Shen,
  • Hongcheng Song,
  • Xianghui Xie

摘要

Purpose

Testicular torsion is a prevalent scrotal emergency associated with a significant risk of testicular loss, and there is no reliable scoring system available to assess the likelihood of orchiectomy following testicular torsion.

Methods

Clinical characteristics and surgical data of patients with testicular torsion from January 2015 to May 2024 were gathered from National Center for Children’s Health (NCCH) and the Children’s Hospital of Capital Institute of Pediatrics (CIPCH). Independent risk variables for testicular resection were evaluated by logistic regression analyses, leading to the establishment of a nomogram. The performance of the nomogram was assessed and validated using AUC, C-index, calibration curves, and DCA. Patients were classified based on their risk score obtained from the nomogram for clinical application.

Results

A total of 387 patients were included. Risk factors were identified by multifactorial analysis: symptoms duration, testicular blood flow, degree of torsion, and cryptorchidism. A nomogram exhibits an area under the ROC curve of 0.9305 and a C-index of 0.9310. A scoring system was developed accordingly, categorising patients into four groups; 88.7% of patients in the super-low and low-risk categories preserved their testes, while 78.6% in the super-high and high-risk categories underwent testicular resection.

Conclusion

The strong concordance between predicted and actual outcomes suggests the model’s utility in clinical decision-making. The nomogram demonstrates robust calibration and differentiation capabilities.