Table 1.

Comparison of clinical and pathologic data between Group A (DLB cases with Braak and Braak stages I and II) and Group B (DLB cases with Braak and Braak stages III to IV)

DataGroup A (n = 13)Group B (n = 12)
Values are mean ± SD; no differences are statistically significant.
* Symptoms at onset not known for one case.
DLB = dementia with Lewy bodies.
Clinical
Male/female9/410/2
Age at onset, y68.4 ± 8.970.2 ± 4.8
Age at death, y78.3 ± 7.079.0 ± 4.5
Duration, y10.0 ± 5.08.8 ± 4.1
Onset with cognitive decline, n9*8
Onset with parkinsonism, n34
Neuropathology (LB/mm2)
Substantia nigra3.03 ± 0.873.27 ± 1.09
Paralimbic0.96 ± 0.861.40 ± 0.70
Neocortical0.24 ± 0.120.41 ± 0.35
Total LB burden1.49 ± 0.511.70 ± 0.42