Table 1 Patient characteristics and scan-related parameters

Patient characteristics (n = 144 patients)

 Men/women

122/22

 Age (years) [median (Q1–Q3)]

69.0 (64.0–75.0)

 Presence of IF (n, %)

109 (75.7%)

 BMI (kg/m²) [median (Q1–Q3)]

27.40 (25.48–30.42)

 Smoker^a (n, %)

105 (72.9%)

 Hypertension (n, %)

126 (87.5%)

 Diabetes (n, %)

47 (32.6%)

 Renal insufficiency (n, %)

11 (7.6%)

 CHF (n, %)

5 (3.5%)

 EuroScore

  1 (n, %)

17 (11.8%)

  2 (n, %)

27 (18.8%)

  3 (n, %)

45 (31.3%)

  4 (n, %)

31 (21.5%)

  5 (n, %)

19 (13.2%)

  6 (n, %)

4 (2.8%)

  7 (n, %)

0 (0.0%)

  8 (n, %)

1 (0.7%)

Scan-related parameters

 Mean heart rate during scan (bpm) [median (Q1–Q3)]

58.0 (53.0–64.0)

 Prescan betablocker administration (n, %)

65 (45.1%)

 Prescan nitroglycerin administration (n, %)

137 (95.1%)

 Contrast agent (ml) [median (Q1–Q3)]

102.0 (100.0–105.75)

 Scan coverage (mm) [median (Q1–Q3)]

250.0 (235.25–272.0)

 DLP (mGy-cm) [median (Q1–Q3)]

683.0 (469.0–897.0)

 Effective dose^b (mSv) [median (Q1–Q3)]

9.6 (6.6–12.6)

 ECG gating (prospective/retrospective)

134/10