Baseline untrained respondents (N = 59) n (%) | Follow-up untrained respondents (N = 62) n (%) | P value | Baseline trained respondents (N = 111) n (%) | Follow-up trained respondents (N = 106) n (%) | P value | |
---|---|---|---|---|---|---|
Which of these imaging modalities involves ionising radiation (tick all that do so)? | ||||||
Ultrasound scan (USS) | 4 (6.8) | 2 (3.2) | 0.432 | 2 (1.8) | 5 (4.7) | 0.271 |
Magnetic Resonance Imaging (MRI) | 9 (15.3) | 7 (11.3) | 0.520 | 4 (3.6) | 6 (5.7) | 0.531 |
Computerised tomography (CT) scan | 58 (98.3) | 60 (96.8) | 1.000 | 108 (97.3) | 103 (97.2) | 1.000 |
Chest x-ray | 57 (96.6) | 57 (91.9) | 0.440 | 108 (97.3) | 104 (98.1) | 1.000 |
PET scan | 42 (71.2) | 52 (83.9) | 0.094 | 95 (85.6) | 87 (82.1) | 0.482 |
Isotope bone scan | 42 (71.2) | 51 (82.3) | 0.149 | 100 (90.1) | 96 (90.6) | 0.906 |
What is the average impact of a Chest, Abdomen and Pelvis CT scan on the lifetime risk of cancer for a 20 year old female? | ||||||
Associated with approximately 1 in 30 lifetime risk of subsequent cancer | 3 (5.1) | 1 (1.6) | 0.047 | 5 (4.5) | 1 (0.9) | 0.008 |
Associated with approximately 1 in 300 lifetime risk of subsequent cancera | 12 (20.3) | 21 (33.9) | 26 (23.4) | 43 (40.6) | ||
Associated with approximately 1 in 3000 lifetime risk of subsequent cancera | 24 (40.7) | 31 (50.0) | 54 (48.6) | 43 (40.6) | ||
Associated with approximately 1 in 30,000 lifetime risk of subsequent cancer | 14 (23.7) | 8 (12.9) | 21 (18.9) | 19 (17.9) | ||
Negligible | 6 (10.2) | 1 (1.6) | 5 (4.5) | 0 (0.0) |