Table 4 Investigations
| Case no. | Hb, male: 13.5–17.5 g/dL, female: 12–15.5 g/dL | WBC, 3,500–10,500/mm3 | B12, 200–650 ng/L | mmA, <0.40 μmol/L | Homocysteine, <13 μmol/L |
|---|---|---|---|---|---|
| Normal values are indicated in column headings. | |||||
| Hb = hemoglobin; WBC = white blood count; mmA = methylmalonic acid; SEP = somatosensory evoked potentials; S = sensory; M = motor; Ax = axonal; Ax deg = axonal degeneration; DJD = incidental degenerative joint disease; N = normal; AbN = abnormal. | |||||
| 1 | 14.8 | 7,300 | 565 | NA | NA |
| 2 | 12.6 | 9,500 | 404 | 0.17 | NA |
| 3 | 9.4 | 3,000 | 631 | 0.18 | 13 |
| 4 | 11.9 | 5,800 | 228 | 2.77 | NA |
| 5 | 12.5 | 4,300 | 2,000 | 0.10 | 4 |
| 6 | 16.0 | 4,500 | 307 | 0.27 | 13 |
| 7 | 10.6 | 3,100 | 297 | NA | NA |
| 8 | 10.0 | 1,500 | 905 | 0.23 | 5 |
| 9 | 14.0 | 8,900 | 388 | 0.22 | 6 |
| 10 | 11.4 | 5,900 | 342 | 0.09 | 6 |
| 11 | 7.9 | 1,800 | 315 | 0.16 | 4 |
| 12 | 13.2 | 3,400 | 1,055 | NA | 12 |
| 13 | 12.7 | 3,700 | 1,196 | NA | 10 |