Table 1 Radiation dose from coronary CTA (CCTA) and invasive diagnostic coronary angiography (ICA)
Parameters | CTA (n = 406) | ICA (n = 119) | P value (95% CI) |
|---|---|---|---|
Effective dose (mSv), mean ± SD | 2.88 ± 0.85 | 5.61 ± 0.55 | < 0.0001* (2.43–3.02) |
Gender, (male, %) | 24 (30.7) | 14 (35.9) | 0.70 (− 17.09 to 32.28) |
Age (years), mean ± SD | 65.5 ± 9.6 | 65.8 ± 9.4 | 0.87 (− 3.40 to 4.0) |
BMI (kg/m2), mean ± SD | 23.4 ± 3.6 | 23.1 ± 3.4 | 0.66 (− 1.67 to 1.07) |