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. Author manuscript; available in PMC: 2012 Jan 1.
Published in final edited form as: J Alzheimers Dis. 2011;23(3):399–409. doi: 10.3233/JAD-2010-101335

Table 2.

Effect of ApoE genotype and presence of dementia on Plasma Aβ in DS

Group N Demented At least one E4 allele Aβ1-40 Aβ1-42 Ratio Aβ1-42/Aβ1-40
1 15 − − 64.72(6.6) 4.57(0.50) 0.098 (0.017)
2 7 − + 61.39(9.28) 4.14(0.54) 0.0786 (0.024)
3 33 + − 61.75(4.03) 4.97(0.72) 0.0781 (0.011)
4 17 + + 76.51(5.07) 5.75(0.79) 0.0754 (0.016)