Wunderlich R P, Peters E J, Armstrong D G, Lavery L A
Department of Orthopaedics, The University of Texas Health Science Center at San Antonio, 10022 Tezel Road, San Antonio, TX 78250, USA.
Diabetes Res Clin Pract. 2000 Aug;49(2-3):87-92. doi: 10.1016/s0168-8227(00)00145-5.
The purpose of this study was to evaluate the reliability of digital videometry and acetate tracing in the measurement of cutaneous wound area.
Four clinicians used both digital videometry and acetate tracing to measure five wounds that were artificially created on a cadaver specimen. In addition, the clinicians used an analog centimeter ruler to determine a rough estimate of the area of each wound. The wounds were measured a total of five times with each measurement instrument using a non-sequential repeat measures design. Associations between the three wound measurement techniques were examined with Pearson correlation coefficients. In addition, intraclass correlation coefficients (ICC) were calculated for each pair of the three measurement techniques.
Correlation between the measurement systems for all raters combined yielded Pearson r-values of 0.93 for ruler and acetate, 0.95 for ruler and digital and 0.97 for acetate and digital. Furthermore, the average measure ICC between acetate and digital was 0.94, between acetate and ruler was 0.76 and between digital and ruler was 0.57.
These results suggest that wound area measurements obtained using digital videometry and acetate tracing are very similar and both techniques can be used interchangeably in either clinical or research settings.
本研究旨在评估数字视频测量法和醋酸盐追踪法在测量皮肤伤口面积方面的可靠性。
四名临床医生使用数字视频测量法和醋酸盐追踪法对在一具尸体标本上人工制造的五个伤口进行测量。此外，临床医生使用模拟厘米尺对每个伤口的面积进行粗略估计。使用非顺序重复测量设计，每种测量工具对伤口总共测量五次。用Pearson相关系数检验三种伤口测量技术之间的关联。此外，计算三种测量技术中每一对的组内相关系数（ICC）。
所有评估者的测量系统之间的相关性显示，尺子与醋酸盐之间的Pearson r值为0.93，尺子与数字测量法之间为0.95，醋酸盐与数字测量法之间为0.97。此外，醋酸盐与数字测量法之间的平均测量ICC为0.94，醋酸盐与尺子之间为0.76，数字测量法与尺子之间为0.57。
这些结果表明，使用数字视频测量法和醋酸盐追踪法获得的伤口面积测量结果非常相似，这两种技术在临床或研究环境中均可互换使用。
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