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Table 2
Radiographers’ answers according to the question (the percentage is between brackets and the significant p values is in bold).
| Questions | Proposals | Answers | P-value |
||
|---|---|---|---|---|---|
| Gender | professional experience | Worksite | |||
| Q1. Are you aware of the procedures for the justification and optimisation of radiographic examinations? | Yes | 52 (65) | 0.501 | 0.109 | 0.843 |
| No | 28 (35) | ||||
| Q2. Do you use a guide to radiological procedures, including written procedures for the most common radiological examinations and recommendations for reducing radiation doses? | Yes | 26 (32.5) | 0.316 | 0.644 | 0.866 |
| No | 54 (67.5) | ||||
| Q3. Do you perform radiographic examinations without prior exchange of written information (examination voucher)? | Yes | 8 (10.0) | 0.602 | 0.124 | 0.362 |
| No | 72 (90,0) | ||||
| Q4. Do you add more radiological examinations to the examination requested when you consider them useful for diagnosis? | Always Often Sometimes Never |
10 (12.5) 32 (40.0) 32 (40.0) 6 (7.5) |
0.151 | 0.851 | 0.743 |
| Q5. Do the radiographic examination forms you receive indicate the reason for, and the purpose and circumstances of, the examination? | Always Often Sometimes Never |
2 (2.5) 16 (20.0) 52 (65.0) 10 (12.5) |
0.702 | 0.887 | 0.372 |
| Q6. Indicate the circumstances in which you would repeat an X-ray examination without medical advice? | when you receive a written request from the prescribing doctor | 48 (60) | 0.524 | 0.145 | 0.451 |
| If the image taken does not meet all the success criteria indicated using the radiological procedure | 44 (55) | 0.446 | 0.308 | 0.345 | |
| If the image is a failure (cropped, overexposed or underexposed), I will automatically repeat the examination. | 78 (97.5) | 0.650 | 0.685 | 0.831 | |
| Q7. Do you indicate the number of repeat radiographic examinations in the patient registers? | Always Often Sometimes Never |
28 (35.0) 12 (15.0) 8 (10.0) 32 (40.0) |
0.139 | 0.820 | 0.001 |
| Q8. Do you have a protocol for each CT procedure performed near the radiology equipment? | Yes No |
30 (37.5) 50 (62.5) |
0.573 | ||
| Q9. In conventional radiography, do you ask about a possible pregnancy whenever a woman of childbearing age is involved? | Always Often Sometimes |
68 (85.0) 10 (12.5) 2 (2.5) |
0.139 | 0.898 | 0.199 |
| Q10. In conventional radiography, do you adjust the acquisition parameters (kV, mAs) according to the patient’s age and build? | Always Often |
74 (92.5) 6 (7.5) |
0.724 | 0.371 | 0.175 |
| Q11. In conventional radiography, do you report information on dose estimates (PDS, mAs, kV, FFD, field size, number of examinations) for each radiographic examination? | Yes No |
8 (10.0) 72 (90.0) |
0.562 | 0.207 | 0.002 |
| Q12. In conventional radiography, do you record the patients’ ages and weight? | Yes No |
12 (15.0) 68 (85.0) |
0.646 | 0.758 | 0.440 |
| Q13. In CT-scan, do you have a written protocol for each CT-scan protocol? | Yes No |
36 (45.0) 44 (55.0) |
0.013 | ||
| Q14. In CT-scan, do you ask about a possible pregnancy whenever a woman of childbearing age is involved? | Yes No |
78 (97.5) 2 (2.5) |
0.350 | 0.685 | 0.150 |
| Q15. Do you adapt CT-scan protocols according to the patient’s age and weight? | Always Often Sometimes Never |
38 (47.5) 18 (22.5) 12 (15.0) 12 (15.0) |
0.357 | 0.454 | 0.001 |
| Q16. In CT-scan, do you adapt the acquisition parameters (kV, mAs) to the patient’s morphology? | Always Often Sometimes Never |
34 (42.5) 10 (12.5) 24 (30.0) 12 (15.0) |
0.395 | 0.127 | 0.001 |
| Q17. Do you systematically check the value of the computed tomography dose index (CTDI) before starting the acquisition? | Always Often Sometimes Never |
8 (10.0) 12 (15.0) 14 (17.5) 26 (57.5) |
0.803 | 0.431 | 0.662 |
| Q18. Do you report information about the dose estimate for CT-scan examinations, such as the dose length product DLP and the computed tomography dose index CTDI, on the register or in another medium? | Always Often Sometimes Never |
4 (5.0) 4 (5.0) 14 (17.5) 58 (72.5) |
0.802 | 0.577 | 0.395 |
| Q19. Select your attitude towards dose optimisation in pediatric conventional radiology from the following choices: | I choose the exposure parameters (kV, mAs) according to the child’s age and weight | 80 (100) | |||
| I use manual and luminous centring, and avoid fluoroscopy | 56 (70) | 0.885 | 0.011 | 0.155 | |
| I limit X-ray exposure to the area to be examined | 76 (95) | 0.533 | 0.899 | 0.279 | |
| I minimise the number of X-ray images taken | 64 (92.5) | 0.137 | 0.894 | 0.543 | |
| I use radiation protection equipment appropriate to the age of the child (thyroid and gonad shield) | 30 (37.5) | 0.736 | 0.035 | 0.249 | |
| Q20. Select your attitude towards dose optimisation in pediatric CT-scan from the following choices | I use age-appropriate restraints | 54 (67.5) | 0.316 | 0.542 | 0.774 |
| I adjust the exposure parameters according to the child’s age, weight and height | 54 (67.5) | 0.316 | 0.644 | 0.472 | |
| I use specific pediatric CT-scan protocols | 56 (70) | 0.885 | 0.011 | 0.776 | |
| I limit the volume to be irradiated | 72 (90) | 0.658 | 0.725 | 0.856 | |
| I consult the reference levels in terms of PDL and CTDI before each new acquisition | 4 (5) | 0.648 | 0.899 | 0.750 | |
| Q21. Have you received basic training in patient radiation protection? | Yes No |
74 (92.5) 6 (7.5) |
0.186 | 0.062 | 0.769 |
| Q22. Have you received ongoing training in patient radiation protection? | Yes No |
4 (5.0) 76 (95.0) |
0.287 | 0.459 | 0.033 |
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