儿科骨折症双模年龄分布的统计证据:支持先天性和获得的密码化亚型
Kensuke Ohashi1, Shinsuke Yoshizawa2, Keita Kogure1
1Department of Urology, Saitama Children's Medical Center, Saitama, JPN.
Cureus
|January 9, 2026
概括
器官切除手术过程显示了双模分龄分布,这表明了不同的先天性和获得的密码化亚型. 这种模式为特定年龄的管理策略提供了潜在的参考.
科学领域:
- 儿科手术 儿科手术
- 泌尿器科 泌尿器科 泌尿器科 泌尿器科
- 发展生物学 发展生物学
背景情况:
- 密囊症,一个或两个丸无法下降到阴囊,是儿科手术中常见的先天性异常.
- 关于密码症的病因有争议,提出了包括先天性 (在子宫内) 和获得性 (产后) 形式的亚型.
- 骨科外科手术是纠正密码症的手术程序,其时间可以提供对潜在疾病模式的见解.
研究的目的:
- 为了分析儿科患者的骨头术手术的年龄分布.
- 为了统计评估在年龄在orchiopexy数据中的双模模式.
- 探索已识别的年龄分布和假设的密码化亚型之间的相关性.
主要方法:
- 在一个单一的三级医疗中心,对659名儿科患者 (0-18岁) 的年龄在皮术数据进行了回顾性分析.
- 统计评估年龄分布使用Hartigan的浸泡测试单模性.
- 应用内核密度估计与引导模式稳定性和高斯混合物建模用于双模模式识别.
主要成果:
- 哈蒂根的浸泡测试断然拒绝了单模性,表明年龄分布不均 (浸泡=0.134,p < 0.001).
- 高斯混合模型倾向于采用两组件模型,确定早期峰值 (平均1.31年) 和晚期峰值 (平均6.28年).
- 双模结构通过引导分析得到证实,计算的交点为3.8年.
结论:
- 在orchiopexy的年龄表现出统计学上强大的双模分布,支持明显的早期和晚期峰值.
- 这种双模模式与假设的先天性和获得的密码化亚型保持一致,尽管它不证实不同的生物实体.
- 3.8岁的交点可以作为特定年龄管理和监测策略的假设生成参考.
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