Interobserver agreement in the assessment of cerebral atrophy on CT using bicaudate and sylvian-fissure ratios

被引：22

作者：

van Zagten, M

Kessels, F

Boiten, J

Lodder, J

机构：

[1] Univ Hosp Maastricht, Dept Neurol, NL-6202 AZ Maastricht, Netherlands

[2] Univ Maastricht, Dept Epidemiol, Maastricht, Netherlands

来源：

NEURORADIOLOGY | 1999年 / 41卷 / 04期

关键词：

cerebral atrophy; computed tomography; interobserver agreement;

D O I：

10.1007/s002340050743

中图分类号：

R74 [神经病学与精神病学];

学科分类号：

摘要：

To assess the interobserver variability of cerebral-atrophy measures on CT, three investigators measured the bicaudate ratio (BCR) and the sylvian-fissure ratio (SFR) on 20 CT studies of patients with ischaemic stroke. The intraclass correlation coefficient of BCR measurements was 0.82 [95% confidence interval (CI) 0.75-0,94], and that of SFR measurements 0.69 (95% CI 0.57-0.89). The range of pairwise-calculated Pearson correlation coefficients was smaller for measurement of the BCR (0.89-0.92) than for the SFR measurements (0.66-0.84).

引用

收藏

页码：261 / 264

页数：4

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