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Table 3 Results of the cholinergic system ELISAs carried out in this study

From: Visual hallucinations in Alzheimer's disease do not seem to be associated with chronic hypoperfusion of to visual processing areas V2 and V3 but may be associated with reduced cholinergic input to these areas

  AD with visual hallucinations, n = 23 AD without visual hallucinations, n = 19 Dementia with Lewy bodies, n = 19 Controls, n = 36 Statistical findings p with age as covariate Statistics with controls with no Psych Hx or CVAs
Mean SD Mean SD Mean SD Mean SD    
AChE concentration in BA18 (ng/ml) 28.823 14.693 42.551 47.023 31.811 24.617 45.924 29.15 ANOVA p = 0.170 p = 0.169 p = 0.174
AChE activity in BA18 (nmol/min/mg) 2.504 0.746 2.833 1.102 2.597 1.47 5.09 4.297 Kruskal-Wallis, p = 0.0001, χ2 = 24.415   Kruskal-Wallis, p = 0.012, χ2 = 10.984
AChE concentration in BA19 (ng/ml) 38.412 19.008 51.382 28.809 33.193 21.513 60.627 32.241 p = 0.002 p = 0.002 p = 0.011
AChE activity in BA19 (nmol/min/mg) 2.825 1.429 3.064 1.774 3.11 1.248 5.752 1.948 Kruskal-Wallis, p = 0.0001, χ2 = 35.2   Kruskal-Wallis, p = 0.001, χ2 = 16.506
BChE concentration in BA18 (ng/ml) 4.123 4.269 3.944 4.054 2.745 3.181 3.397 3.417 Kruskal-Wallis, p = 0.819, χ2 = 0.927   p = 0.739
BChE activity in BA18 (nmol/min/mg) 3.482 1.052 3.623 1.844 3.13 1.629 3.757 2.64 ANOVA p = 0.652 p = 0.603 p = 0.554
BChE concentration in BA19 (ng/ml) 7.798 7.298 5.481 2.786 6.34 7.804 6.783 5.102 Kruskal-Wallis, p = 0.779, χ2 = 1.097   Kruskal-Wallis, p = 0.573, χ2 = 1.995
BChE activity in BA19 (nmol/min/mg) 3.842 2.402 3.479 1.618 4.121 2.136 3.932 1.806 Kruskal-Wallis, p = 0.749, χ2 = 1.213   Kruskal-Wallis, p = 0.859, χ2 = 0.762
ChAT activity in BA18 (pmol/min/mg) 1.092 0.791 1.333 0.896 1.1 0.545 1.35 1.11 ANOVA p = 0.709 p = 0.829 p = 0.150
ChAT activity in BA19 (pmol/min/mg) 5.574 10.948 2.174 3.443 2.433 2.533 1.28 1.021 Kruskal-Wallis, p = 0.646, χ2 = 1.658   Kruskal-Wallis, p = 0.723, χ2 = 1.326