Marwick 1989.

Clinical features and settings	Clinical features ESKD patients undergoing coronary angiography as part of transplant workup over a 2 year period. Patients were selected on the basis of longstanding diabetes history of chest pain or previous MI, or age > 40. Setting Cleveland Clinic, Ohio, USA
Participants	Number: 86 DM: 29% Angina pectoris or IHD: 11% Hypertension: 36% Sex: 27% male
Study design	Cross sectional study.
Target condition and reference standard(s)	Coronary artery stenosis measured by coronary angiography CAD was defined as the presence of ≥ 1 coronary arteries with ≥ 50% diameter stenosis
Index and comparator tests	DSF Results were classified based on the presence or absence of calcification of the coronary arteries
Follow‐up	None reported.
Notes
Table of Methodological Quality
Item	Authors' judgement	Description
Representative spectrum? All tests	Yes	ESKD patients undergoing cardiac evaluation as part of transplant workup.
Acceptable reference standard? All tests	Yes	Coronary angiography with a reference standard threshold of ≥ 50% stenosis.
Acceptable delay between tests? All tests	Yes	Tests performed at the same time.
Partial verification avoided? All tests	Yes	All participants who underwent an index test received the reference standard test.
Differential verification avoided? All tests	Yes	Disease status (CAD) diagnosed by coronary angiography.
Incorporation avoided? All tests	Yes	Disease status (CAD) diagnosed by coronary angiography.
Reference standard results blinded? All tests	Yes	Author correspondence.
Index test results blinded? All tests	Yes	Author correspondence.
Relevant clinical information? All tests	Yes	Relevant clinical information provided regarding performance and analysis of the index and reference tests.
Uninterpretable results reported? All tests	Yes	No results were reported to be uninterpretable.
Withdrawals explained? All tests	Yes	No withdrawals were reported.