Laboratory and neuropsychological results at presentation (A) and at 12 month follow up (B)
| Laboratory (units) | A | B |
| Full blood count | Normal | Normal |
| Erythocyte sedimentation rate | 12 | 6 |
| Urea and electrolytes | Normal | Normal |
| Liver function tests | Normal | Normal |
| Antinuclear antibody | Negative | Negative |
| B12 and folate | Normal | Not tested |
| VDRL | Negative | Not tested |
| Thyroid stimulating hormone (mU/l) | 58.4 | 0.87 |
| Free T4 (pmol/l) | 7.4 | Not tested |
| Antithyroid microsomal antibody titres | 1:25600 | 1:1600 |
| Psychometric (normal/predicted range): | ||
| Folstein MMSE (>24) | 25/30 | 25 |
| NART IQ | 10th percentile | 18th percentile |
| WAIS-R (verbal) | 13th percentile | Not tested |
| WAIS-R (performance) | 27th percentile | Not tested |
| FAS verbal fluency (>30) | 25 | 23 |
| Cognitive estimates test (<6) | 10 | 11 |
| Graded naming test (>15) | 10/30 | 16/30 |
| Digit span forwards (>5) | 7 | 6 |
| Rey-Osterreith complex figure (copy) (36) | 25.5 | 24 |
| Rey-Osterreith complex figure (recall) ( 30%) | Not tested | 75% |