Tanner J M, Gibbons R D
Institute of Education, University of London, UK.
Horm Res. 1994;42(6):282-7. doi: 10.1159/000184210.
A method for assigning Tanner-Whitehouse 2 skeletal maturity scores (or bone ages) to hand-wrist X-rays by an image analysis computer system is described. An operator positions the relevant area of the X-ray on a light box beneath a video camera. Correct positioning is assured by computer templates of each bone stage. Thereafter the process is automatic; the computer, not the operator, rates the bones. The system produces continuous stage scores, not discrete ones such as B, C or D. Data are given which show that the computer-assisted skeletal age score is more repeatable than the usual manual (or unassisted) rating. The absolute difference between duplicates averaged 0.25 stages; differences of as much as 1.0 stage occurred in only 3% of duplicates compared with 15% obtained in manual ratings.
描述了一种通过图像分析计算机系统对手腕X射线片进行坦纳-怀特豪斯2型骨骼成熟度评分（或骨龄）的方法。操作人员将X射线的相关区域放置在摄像机下方的灯箱上。每个骨阶段的计算机模板确保了正确的定位。此后该过程是自动的；由计算机而非操作人员对骨骼进行评分。该系统产生的是连续阶段评分，而非诸如B、C或D这样的离散评分。给出的数据表明，计算机辅助的骨骼年龄评分比常规的手动（或无辅助）评分更具可重复性。重复测量之间的绝对差异平均为0.25个阶段；重复测量中差异高达1.0个阶段的情况仅占3%，而手动评分中这一比例为15%。
