Department of Anatomy, College of Medical Sciences and Teaching Hospital, Bharatpur, Chitwan, Nepal.
Department of Radiodiagnosis, College of Medical Sciences and Teaching Hospital, Bharatpur, Chitwan, Nepal.
JNMA J Nepal Med Assoc. 2022 Feb 15;60(246):142-145. doi: 10.31729/jnma.7044.
The subpubic angle in the pelvis is most often used to estimate the sex with a higher degree of accuracy. Despite the anthropological and obstetric importance of the subpubic angle, only a few studies exist in the Nepalese population. The objective of this study was to determine the mean subpubic angle of the patient visiting the department of radiodiagnosis of tertiary care hospital.
This was a descriptive cross-sectional study comprising 332 pelvic digital radiographs of the patients visiting the department of radiodiagnosis of a tertiary care center from March to August, 2021. Ethical approval was taken from the Institutional Review Committee at College of Medical Sciences (Reference number: COMSTH-IRC/2021-62). Convenience sampling method was done. Demographic data like age and sex were noted. In the radiograph, the subpubic angle was measured using the program Digimizer Image Analysis Software. The collected data were analysed using the Statistical Package for the Social Sciences version 20. Point estimate at 95% Confidence Interval was calculated along with mean and standard deviation for continuous data.
Among 332 pelvic radiographs studied, the mean subpubic angle was found to be 120.42±22.27° (118.02-122.81 at 95% Confidence Interval). The subpubic angle in females was 137.96±12.47° and that in males was 101.10±12.56°.
Our findings are similar to those of other studies, with a minor variation. The subpubic angle was comparatively higher in females than males in the present study. The findings of this study may be of interest to forensic scientists and obstetricians.
骨盆的耻骨下角通常用于更准确地估计性别。尽管耻骨下角具有人类学和产科重要性，但在尼泊尔人群中仅有少数研究存在。本研究的目的是确定访问三级保健医院放射科的患者的耻骨下角平均值。
这是一项描述性的横断面研究，包括 2021 年 3 月至 8 月期间访问三级保健中心放射科的 332 例骨盆数字 X 线片。本研究已获得学院医学科学伦理审查委员会（编号：COMSTH-IRC/2021-62）的批准。采用便利抽样法。记录了人口统计学数据，如年龄和性别。在 X 光片上，使用 Digimizer 图像分析软件测量耻骨下角。使用社会科学统计软件包 20 版分析收集的数据。计算了 95%置信区间的点估计值，以及连续数据的均值和标准差。
在所研究的 332 张骨盆 X 光片中，发现耻骨下角的平均值为 120.42±22.27°（95%置信区间为 118.02-122.81°）。女性的耻骨下角为 137.96±12.47°，男性的耻骨下角为 101.10±12.56°。
我们的研究结果与其他研究相似，仅有微小差异。本研究中，女性的耻骨下角比男性的耻骨下角高。本研究的结果可能对法医学家和产科医生感兴趣。
