December 1, 1994
Equivalence of measurements of carotid stenosis. A comparison of three methods on 1001 angiograms. European Carotid Surgery Trialists' Collaborative Group.
Structured PICO
Are different methods of measuring carotid stenosis on angiograms equivalent?
P
Population
1001 carotid angiograms
I
Intervention
Measurement of carotid stenosis using three different methods
C
Comparator
Comparison between the three measurement methods
O
Outcome
Disparities between measurements of stenosis made using different methodssurrogate
Different methods of measuring carotid stenosis yield clinically important disparities, but measurements can be standardized by converting between methods using a simple arithmetic equation.
Abstract
There were major and clinically important disparities between measurements of stenosis made using different methods of measurement on the same angiograms. However, it is possible to convert measurements made by one method to those of another using a simple arithmetic equation.
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Authors
Peter M. Rothwell
Université Claude Bernard Lyon 1
R
Rod Gibson
NHS Lothian
J
J Slattery
Western General Hospital
Journals
Stroke
Actions
Institutions
Western General Hospital
References and Citations
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