Table 1

Patient, Scan, and Stent Characteristics

Patient and Scan Characteristics
No. of patients50
Female patients9 (18)
Age, yrs63 ± 10
Mean heart rate, beats/min60 ± 6
Body mass index, kg/m228.2 ± 3.4
Scan length, mm137.4 (137.4–137.4)
Dose-length product, mGy · cm23.0 (22.0–23.00)
Estimated effective dose, mSv0.32 (0.31–0.32)
Stent Characteristics
Total no. of stents87
Mean no. of stents per patient1.8 ± 0.8
No. of BMSs37 (47)
No. of DESs50 (63)
Mean diameter of all stents, mm3.0 ± 0.4

Values are n, n (%), mean ± 1 SD, or median (25th to 75th percentiles).

BMS = bare-metal stent(s); DES = drug-eluting stent(s).

  • Coroflex Blue (strut thickness 65 μm), Braun AG, Melsungen, Germany.

  • Endeavor (strut thickness 91 μm), Medtronic, Minneapolis, Minnesota.