This one-page poster abstract compared blood aluminum, copper and zinc between people with Alzheimer’s disease and healthy controls in New Delhi. Blood copper was somewhat higher in the patient group, but the difference was not statistically significant. The abstract gives no methods detail beyond the instrument and contains an internal inconsistency in its zinc results.
Key numbers
- Blood copper: 1401 ± 128.4 µg/L in 25 Alzheimer’s patients versus 1206 ± 67.25 µg/L in 20 controls (p = 0.2251); the dispersion statistic is not named (Result, p. 1).
- Mini-mental state scores: 12.65 ± 1.334 in patients versus 27.65 ± 0.3529 in controls (Result, p. 1).
Methods (brief)
Participants underwent clinical assessment and Hindi Mini-Mental State Examination. Blood elements were measured by ICP-MS. The abstract does not state whether whole blood, serum or plasma was analyzed, nor any quality-control material.
Evidence fitness
Supports a small, non-significant difference in blood copper between Alzheimer’s patients and controls in one Indian cohort. It does not measure dietary exposure and cannot support causal claims.
Limitations
Conference abstract only, with 45 participants. The abstract reports zinc as higher in patients while its own numbers show lower zinc in patients than in controls, so its numerical reporting needs caution. The blood fraction and dispersion statistic are not stated.
Related evidence
Update history
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