| Overall knowledge of vaso-occlusive crises | ||||
| Items | Quote | Knowledge | ||
| Good | Average | Low | ||
| Location | 0 - 2 | 6 - 8 | 5 ? 3 | <3 |
| Clinical expressions | 0 - 2 | |||
| Factors triggering | 0 - 2 | |||
| Means of prevention | 0 - 2 | |||