. 2014 Dec 31;7:53–64. doi: 10.2147/CLEP.S73728

Table S2.

Variable values and reference standards used to validate data from the Western Denmark Coronary Computed Tomography Angiography Registry

Variables	Values (reference standards for validation)
Family history of premature CAD	Yes/no/unknown^a
Current lipid-lowering therapy	Yes/no/unknown^a
Current medical treatment for hypertension	Yes/no/unknown^a
Smoking status	Current/never/former/unknown^a
Diabetes	None/recently elevated blood glucose/insulin (± oral antidiabetic treatment)/oral antidiabetic treatment (without insulin)/nonpharmacological treatment/unknown^a
Previous PCI	Yes/no/unknown^a
Previous cardiac surgery	Yes/no/unknown^a
Previous myocardial infarction	Yes/no/unknown^a
Height	Exact height in cm^a
Weight	Exact weight in kg^a
Type of CT scanner	Siemens 64-slice/Siemens 64-slice dual-source/Phillips 64-slice/Phillips 256-slice/GE 64-slice/Toshiba 64-slice/Toshiba 320-slice/Siemens Flash GE 750 HD/other^b
Date of procedure	Day-month-year (±1 week)^b
Kilo-electron volt	Exact kilo-electron volt^b
Radiation dose	Exact radiation dose in DLP/millisievert^b
Contrast volume	Exact volume in mL^b
CACS result	Exact score in Agatston^b
Coronary CTA result	Only CACS was performed/none CAD (0% luminal stenosis)/nonobstructive CAD (1%–49% luminal stenosis)/obstructive CAD (≥50% luminal stenosis) categorized as 1-vessel obstructive CAD/2-vessel obstructive CAD/3-vessel or left main obstructive CAD^a
Consequence of coronary CTA results	Nothing further/medical treatment/referral to invasive coronary angiography/referral to myocardial perfusion imaging/referral to other noninvasive diagnostic testing/other

Notes:

Reference standard: medical records;

reference standard: medical records including imaging reports from working stations.

Abbreviations: CACS, coronary artery calcium scoring; CAD, coronary artery disease; CT, computed tomography; CTA, computed tomography angiography; DLP, dose length product; PCI, percutaneous coronary intervention.