- Legend: US/CT AP – 0 denotes an AP diameter of <30 mm; 1 denotes an AP diameter of >30 mm
- US/CT Trans - 0 denotes a Transverse diameter of <30 mm; 1 denotes a Transverse diameter of >30 mm
- US/CT AAA – 0 denotes any US measurements <30 mm; 1 denotes any measured diameter >30 mm