Table 4 Prevalence of red flags about relative and absolute contraindications for contrast-enhanced computed tomography
Red flags | % (n) | Missing answer % (n) |
|---|---|---|
16. Prior complications after administration of iodine-containing contrast-agent | 5.8 (98) | 2.0 (33) |
Allergic reactions against iodine-containing contrast-agents | 4.9 (84) | |
Severe allergic reactions | 0.3 (5) | |
Vomiting and Nausea | 0.8 (14) | |
17. Diabetes medication | 9.6 (164) | 3.3 (56) |
Metformin-containing drugs | 0.5 (9) | |
Metformin-containing drugs and reduced kidney function | 0.06 (1) | |
Insulin medication | 4.8 (81) | |
Oral medication other than Metformin | 4.1 (69) | |
Patient did not specify | 1.0 (16) | |
18. Thyroid disease | 23.8 (405) | 3.9 (66) |
Thyroid hypofunction | 11.9 (203) | |
Thyroid hyperfunction | 2.0 (34) | |
Goiter | 3.5 (61) | |
Thyroid surgery | 4.5 (77) | |
Thyroid cancer | 0.8 (12) | |
Hot thyroid nodule | 0.4 (6) | |
Basedow’s disease | 0.4 (6) | |
Patient did not specify | 3.5 (60) | |
19. Kidney disease | 12.5 (214) | 4.8 (81) |
Reduced kidney function | 3.6 (62) | |
Kidney surgery | 2.6 (44) | |
Kidney stones | 1.8 (30) | |
Hemodialysis | 0.6 (11) | |
Infection | 0.3 (5) | |
Hematuria | 0.7 (12) | |
Patient did not specify | 4.0 (68) | |
20. Infectious disease | 2.8 (48) | 2.6 (44) |
AIDS | 0.4 (6) | |
Hepatitis | 1.5 (26) | |
Tuberculosis | 0.4 (7) | |
Patient did not specify | 0.5 (9) | |
21. Pregnancy | 0.2 (3)* | (0) (0) |
Unsure if pregnant | 0.2 (3) | |
22. Claustrophobia | 9.7% (166) | 3.2 (54) |