Severity levels*
| Severity level | Social value |
| Healthy | 1.0 |
| Slight problem | 0.9999 |
| Moderate problem | 0.99 |
| Considerable problem | 0.92 |
| Severe problem | 0.80 |
| Very severe problem | 0.65 |
| Completely disabled | 0.40 |
| Dead | 0 |
*See Nord13, 119. Notice that the upper-end compression of the social values mitigates the discrimination that is implicit in cost-effective allocation. If healing a broken leg brings the same improvement in personal value to Mary and George, healing George’s broken leg will provide a greater improvement in social value if George is in some way disabled, and Mary is otherwise healthy.