Table 1.
SALSA study sample characteristics.a
| n | Value | Percentage abnormal (cutoff value) |
|
|---|---|---|---|
| Sex, % female | 1089 | 59 | — |
| Age, years | 1089 | 70 (60–101) | — |
| Education, years | 1083 | 7.5 (0–25) | — |
| Total B12, pmol/L | 1089 | 298 (16–1453) | 6.5 (<148) |
| HoloTC, pmol/L | 1089 | 76 (3–160) | 8.0 (<35) |
| HoloTC/B12 ratio, % | 1089 | 25.0 (2.5–75.2) | — |
| Erythrocyte folate, μg/L | 1020 | 508 (50–900) | 0.7 (<160) |
| Total homocysteine, μmol/L | 1087 | 9.8 (4.4–129) | 16.9 (>13.0) |
| Creatinine, mg/L | 1083 | 8.0 (3.0–102) | 5.7 (>13) |
| Diabetes, % | 1089 | 33 | — |
| Stroke, % | 1089 | 9.4 | — |
| CES-D score, 0–60 | 1040 | 6 (0–54) | 25 (≥16) |
| 3MSE score, 0–100 | 1071 | 89 (0–100) | 22 (≤78) |
| Delayed recall score, 0–15 | 1073 | 9 (0–15) | 23 (≤6) |
| Clinical cognitive impairment, % | 1089 | 7.9 | — |
a
Data are median (range) unless noted otherwise. Clinical cognitive impairment includes participants with a diagnosis of dementia or cognitively impaired but not demented (CIND). Participants with dementia diagnosis, 4.3%; CIND diagnosis, 3.6%.