Sterol to cholesterol ratio in stored dried blood samples from eight patients with SLO syndrome
| Patient | Age of sample (y) | 8-DHC:cholesterol | 7-DHC:cholesterol |
| 1 | 5 | 0.0189 | 0.0101 |
| 2* | 5 | 0.0269 | 0.0209 |
| 3 | 7 | 0.0110 | 0.0091 |
| 4 | 9 | 0.0168 | 0.0073 |
| 5 | 14 | 0.0160 | 0.0144 |
| 6 | 14 | 0.0095 | 0.0051 |
| 7† | 9 | 0.0093 | 0.0082 |
| 8‡ | 14 | 0.0257 | 0.0159 |
Died at the age of 2.5 years*, 6 weeks†, and 6 years‡. The tentative clinical SLO diagnosis was confirmed for the latter two cases.