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. 2013 Mar 18;40(4):042504. doi: 10.1118/1.4794488

Table 2.

The signal-to-noise ratio for detecting a small change in binding ratio with the baseline BR = 5.0.

Total counts        
on the 5% decrease
8% decrease
conventional system Conventional Dedicated Conventional Dedicated
1.0 × 106 2.99 5.86 4.81 9.41
2.0 × 106 4.23 8.30 6.80 13.30
3.0 × 106 5.19 10.16 8.32 16.29