在使用MyIUS移动应用程序的Levonorgestrel宫内器械用户中验证出血预测算法
Carolina Sales Vieira1, Lisa Eggebrecht2, Igor Andre Milhoranca2
1Department of Obstetrics and Gynecology, Ribeirao Preto Medical School, University of São Paulo.
Contraception
|September 6, 2025
概括
MyIUS应用程序准确地预测了使用莱沃诺格斯特勒宫内器件 (LNG-IUD) 的女性的出血强度. 虽然有效的强度,需要进一步改进预测月经周期的规律性.
科学领域:
- 避孕和生殖健康
- 数字健康与移动应用
- 现实世界证据研究
背景情况:
- 激素释放子宫内置器 (LNG-IUD) 广泛用于避孕和控制异常的子宫出血.
- 了解和预测插入后的出血模式对于用户的满意度和坚持至关重要.
- 移动健康应用程序为个性化健康洞察提供了一个有前途的途径.
研究的目的:
- 验证MyIUS移动应用程序算法在预测出血强度和规律性方面的现实性能.
- 评估不同剂量的levonorgestrel子宫内置器 (LNG-IUD) 的算法的准确性.
- 提供证据支持全球使用MyIUS进行个性化出血洞察.
主要方法:
- 一项实验性观察性研究,涉及德国,丹麦,瑞典,西班牙,墨西哥和巴西的参与者.
- 在LNG-IUD插入后90天使用MyIUS应用程序的18岁以上妇女 (52 mg,19. 5 mg或13. 5 mg).
- 90天预测出血情况 (强度和规律性) 与随后180天的自我报告出血数据的比较.
主要成果:
- 该算法显示出足够的分辨率用于预测出血强度,多类AUC为0. 81 (95% CI,0. 79- 0. 83).
- 月经周期规律的预测表现较低,总体AUC为0. 66 (95% CI,0. 63- 0. 68).
- 分析了近乎完整的1,734名参与者的数据.
结论:
- MyIUS算法的出血强度预测在现实世界中得到了验证.
- 这些发现支持MyIUS在LNG-IUD插入后对出血变化的个性化洞察.
- 建议进一步改进周期规律性预测和临床实用性测试的算法.
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