Comparison of Percent of Clinicians Correctly Answering Questions about Aacanthosis Nigricans (AN) Before and After Web-based Training Module
| Question | Physicians Answering Correctly (%) (n = 103) | P* | |
|---|---|---|---|
| Pretest | Posttest | ||
| AN associated with elevated glucose and insulin levels | 65 | 48 | .003 |
| AN can appear as velvety patch, dirty neck, or hyperpigmented area | 89 | 82 | .06 |
| AN screening important because patients with AN have an increased risk for diabetes | 86 | 96 | .01 |
| Higher AN grade (width) is associated with higher levels of blood insulin | 34 | 63 | <.001 |
| AN most frequently present on nape of neck | 94 | 98 | .29 |
| Fasting/random glucose is sufficient testing for diabetes in a patient with AN | 84 | 96 | .004 |
| Glucose tolerance test is the best test for diabetes in patient with AN | 76 | 98 | <.001 |
| Healthier eating, regular exercise, and weight loss reduce insulin levels/improve glucose tolerance in patients with AN | 95 | 99 | .12 |
| Decrease in insulin level leads to decrease in size/prominence of AN | 53 | 88 | <.001 |
| There is pharmacologic treatment for AN | 27 | 68 | <.001 |
* The statistical test used was the exact McNemar test.