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Table 3 Backward selection regression analysis: amyloid beta plasma TP42/40 ratio and log FBB-PET global SUVR with covariates

From: Correlations between plasma and PET beta-amyloid levels in individuals with subjective cognitive decline: the Fundació ACE Healthy Brain Initiative (FACEHBI)

  Estimate Standard error T value p value
(Intercept) −0.0701 0.030 −2.301 0.022*
Age 0.0015 4.45E-04 3.573 4.45E-04***
APOE 0.035 0.007 5.107 7.75E-07***
Log TP42/40 −0.041 0.011 −3.794 1.98E-04***
  1. Residual standard error = 0.042 on 195 degrees of freedom (DF)
  2. Adjusted R2 = 0.193; F = 16.75 on 3 and 195 DF; p value = 1.01E-09
  3. Backward selection regression analysis adjusting for age, APOE and TP42/40; statistical significance was set to p < 1.92E-03 after Bonferroni correction for multiple comparisons
  4. APOE apolipoprotein, FBB florbetaben(18F), PET positron emission tomography, SUVR standardized uptake value ratio, TP total plasma
  5. *p ≤ 0.05
  6. ***p < 0.001