56 Chapter 3 Table 2. 18F-flortaucipir DVR, SUVr and R 1 values for SCD subjects and AD patients. Mean ± SD are provided. DVR = BPND+1. DVR SUVr80-100 R1 SCD (n=38) BL FU %change BL FU %change BL FU %change Braak I/II 1.039 (0.121) 1.066z (0.133) 2.56* (2.85) 1.134a (0.159) 1.154ay (0.158) 1.85 (3.27) 0.708 (0.041) 0.714 (0.049) 0.74 (3.96) Braak III/ IV 1.045 (0.075) 1.075z (0.098) 2.82 (2.54) 1.102 a (0.103) 1.130az (0.118) 2.47 (2.64) 0.836 (0.036) 0.842 (0.043) 0.79 (2.75) Braak V/ VI 1.042 (0.057) 1.067z (0.076) 2.33 (2.77) 1.076 a (0.077) 1.096az (0.093) 2.17 (3.29) 0.926 (0.043) 0.930 (0.049) 0.47 (2.67) AD (n=24) BL FU %change BL FU %change BL FU %change Braak I/II 1.277 (0.146) 1.321z (0.157) 3.48 (4.16) 1.426a (0.192) 1.470ay (0.194) 3.25 (5.26) 0.713 (0.047) 0.706 (0.053) -0.87 (5.26) Braak III/ IV 1.256 (0.147) 1.341z (0.185) 6.61* (5.63) 1.367a (0.190) 1.471az (0.229) 7.52 (6.66) 0.835 (0.045) 0.821x (0.040) -1.62 (3.71) Braak V/ VI 1.284 (0.222) 1.379z (0.260) 7.25 (6.85) 1.382a (0.281) 1.495az (0.316) 8.21 (8.03) 0.904 (0.051) 0.883y (0.055) -2.28 (3.67) DVR vs. SUVr: a p<0.001 | BL vs. FU: x p<0.05, y p<0.01, z p<0.001 | %change DVR vs. %change SUVr: *p<0.05
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