Table 1. Patient demographics and characteristics.
| Characteristic | Low-iodine group | High-iodine group | t-value | P-value |
|---|---|---|---|---|
| No. of patients (male) | 50 (39) | 50 (38) | —— | —— |
| Age (years) | 52.66 ± 16.50 | 55.94 ± 14.96 | 1.041 | 0.300 |
| Body weight (kg) | 70.33 ± 9.2 | 70.06 ± 9.73 | 0.140 | 0.889 |
| Body height (cm) | 170.02 ± 10.21 | 168.44 ± 6.01 | 0.963 | 0.338 |
| BMIa (kg/m2) | 24.24 ± 2.45 | 24.63 ± 2.65 | -0.761 | 0.449 |
| Scan time (acquisition time) | 1.66 ± 0.09 | 1.63 ± 0.06 | 1.521 | 0.131 |
| Scan length | 660.92 ± 41.30 | 651.31 ± 39.22 | 1.193 | 0.236 |
| Tube potential (kVp) | 100 | 120 | —— | —— |
| Reconstruction algorithm | SAFIRE | FBP | —— | —— |
| Reference tube current (mA) | 350 | 350 | —— | —— |
No significant differences (P > 0.05) were noted between the two groups regarding these demographic data and CTA acquisition characteristics. Abbreviations: BMI, body mass index; SAFIRE, a product of Siemens Healthcare; FBP, filtered back projection.