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Table 2 Correlation between direct Aβ plasma and log-transformed FBB-PET SUVR

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

Logarithmic
L_PET FP42/40 TP42/40 FP42/TP42 FP40/TP40
Pearson’s r (n = 199) −0.160* −0.248** 0.100 0.085
p value (2-tailed) 0.024 4.04E-04 0.162 0.231
95% confidence interval −0.292 to −0.021 −0.374 to −0.113 − 0.04 to 0.236 −0.055 to 0.221
  1. Plasma amyloid beta (Aβ)42/40 ratios were transformed in logarithmic scale
  2. Bonferroni correction was used to adjust for multiple comparisons (< 1.92E-03)
  3. FP free plasma, L_PET, logarithmic transformed positron emission tomography score, TP total plasma
  4. *p ≤ 0.05
  5. **p ≤ 0.01