Table 4.
Statistics of the questions with the lowest correct answer rate (questions 7,9,15, and 18). There was no significant difference in performance between radiologists and non-radiologists
| Characteristic | Overall, N = 124a | Non-radiology, N = 16a | Radiology, N = 108a | p-valueb | q-valuec |
|---|---|---|---|---|---|
| Question 7 | 33% (41/124) | 19% (3/16) | 35% (38/108) | 0.2 | 0.5 |
| Question 9 | 26% (32/124) | 25% (4/16) | 26% (28/108) | > 0.9 | > 0.9 |
| Question 15 | 5.6% (7/124) | 6.3% (1/16) | 5.6% (6/108) | > 0.9 | > 0.9 |
| Question 18 | 17% (21/124) | 0% (0/16) | 19% (21/108) | 0.071 | 0.3 |
a: (n/N)
b: Pearson’s Chi-squared test; Fisher’s exact test
c: False discovery rate correction for multiple testing