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Table 1 p values from the two-tailed paired t testing on RAP values for reconstructions with varying beta. Results are shown for the low activity (1 GBq) NEMA phantom acquisition for all analysed spheres

From: Optimising quantitative 90Y PET imaging: an investigation into the effects of scan length and Bayesian penalised likelihood reconstruction

Beta value Sphere size (mm) 1 1000 2000 3000
1000 37 0.618    
28 0.929    
22 0.493    
17 0.817    
2000 37 0.039* 0.111   
28 0.233 0.031*   
22 0.123 0.238   
17 0.779 0.979   
3000 37 0.001 0.003 0.107  
28 0.014* 0.005 0.091  
22 0.023* 0.029* 0.223  
17 0.744 0.934 0.928  
4000 37 0.000 0.000 0.004 0.125
28 0.001 0.000 0.003 0.114
22 0.004 0.002 0.020* 0.208
17 0.698 0.866 0.871 0.850
  1. *p < 0.05
  2. p < 0.01