Global Quality Score criteria.
| Grade | Description of Quality |
| 1 | Poor quality and unlikely to be of use for patient education |
| 2 | Poor quality and of limited use to patients because some information is present |
| 3 | Suboptimal quality and flow; somewhat useful to patients; important topics are missing; some information is present |
| 4 | Good quality and flow; useful to patients because most important topics are covered |
| 5 | Excellent quality and flow; highly useful to patients |