Table 1. Patient demographics in the three study groups and in the three control groups.
| Group 1 (1.5 ml/kg) | Group 2 (1.0 ml/kg) | Group 3 (0.5 ml/kg) | Control 1 | Control 2 | Control 3 | p-value | |
| Sex (m/f) | 9/11 | 12/8 | 9/11 | 9/11 | 12/8 | 9/11 | .794 |
| Age (years) | 62 (57–69) | 73 (59–78) | 69 (55–76) | 62 (57–69) | 73 (59–78) | 69 (55–76) | .379 |
| BW (kg) | 78 (67–88) | 78 (70–88) | 76 (66–85) | 70 (66–84) | 79 (69–94) | 75 (66–85) | .789 |
| Height (m) | 1.70 (1.64–1.76) | 1.69 (1.62–1.75) | 1.66 (1.59–1.70) | 1.64 (1.58–1.72) | 1.70 (1.65–1.75) | 1.66 (1.60–1.76) | .314 |
| BMI (kg/m2) | 26.3 (24.6–29.2) | 26.1 (23.7–32.2) | 28.0 (26.3–30.1) | 28.0 (24.4–31.1) | 27.4 (24.4–31.1) | 26 (24.3–29.0) | .749 |
| CMV (ml) | 117 (101–137) | 78 (70–88) | 39 (33–43) | 80 | 80 | 80 | |
| TID (mg) | 31 455 (27 135–36 855) | 21 060 (18 900–23 625) | 10 395 (8 978–11 610) | 21 600 | 21 600 | 21 600 | |
| RID (mg/kg BW) | 405 | 270 | 135 | 305 (255–322) | 274 (230–316) | 288 (256–329) |
Data on age, BW, height, BMI, CMV, TID, and RID are presented as medians (25th percentile–75th percentile); BW – body weight; BMI – body mass index; CMV – contrast medium volume; TID – total iodine dose; RID – relative iodine dose. Overall p-value was calculated by Kruskal-Wallis test.