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. Author manuscript; available in PMC: 2010 Dec 1.
Published in final edited form as: Arch Neurol. 2009 Dec;66(12):1469–1475. doi: 10.1001/archneurol.2009.269

Table 2.

Cox Proportional Hazards Model Testing MCBP for PIB as a Predictor of Time to DAT

HR 95% CI P-value
Lower Upper
MCBP 4.82 1.22 19.01 .02
Age (y) 1.14 1.02 1.28 .03
Education (y) 0.91 0.69 1.19 .49
APOE ε4 carrier 0.98 0.20 4.90 .98
Male gender 0.54 0.10 2.90 .48

Legend: HR=hazards ratio; CI=confidence interval; y=years; APOE ε4=indicates the ε4 allele of APOE.