Table 3.
Parameter | Statistics | n (%) |
---|---|---|
Examination type | CECT | 5158 (25.6) |
CCTA | 3585 (17.8) | |
Diagnostic CAG | 4114 (20.4) | |
CAG + PCI | 3940 (19.5) | |
IR | 3391 (16.8) | |
Iodixanol concentration | 270 mg I ml−1 | 379 (1.9) |
320 mg I ml−1 | 19 806 (98.1) | |
Contrast pre-heated to body temperature | Yes | 8760 (43.4) |
No | 11 425 (56.6) | |
Status of artery/vein | Good | 18 093 (89.6) |
Moderate | 1898 (9.4) | |
Poor | 174 (0.9) | |
Contrast volume (ml) | Mean | 95.9 |
Min–max | 20–600 | |
Contrast volume category (ml) | 0–50 | 2838 (14.1) |
51–80 | 6727 (33.3) | |
81–100 | 7321 (36.3) | |
>100 | 3299 (16.3) | |
Administration route | Artery | 11 049 (54.7) |
Vein | 9112 (45.1) | |
Othera | 24 (0.1) | |
Injection mode | Manual | 7238 (35.9) |
Automatic | 12 653 (62.7) | |
Manual and automatic | 293 (1.5) | |
Otherb | 1 (0.0) | |
Flow rate (ml s−1) | Mean | 4.28 |
Min–max | 1.0–25.0 | |
Flow rate category (ml s−1) | ≤2 | 408 (2.0) |
2–3 | 4071 (20.2) | |
3–4 | 2908 (14.4) | |
4–5 | 3531 (17.5) | |
>5 | 1766 (8.7) |
CAG, coronary angiography; CCTA, coronary CT angiography; CECT, contrast-enhanced CT; IR, interventional radiology; max, maximum; min, minimum; PCI, percutaneous coronary intervention.
Administration route: other included oral, oesophageal, biliary tract, subcutaneous, or percutaneous bilateral renal calyces administration.
Injection mode: other is oesophageal dosing.