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. 2013 Nov 14;3:74. doi: 10.1186/2191-219X-3-74

Table 1.

Proportion of simulations that had α 0  = 0 or α 0  ≠ 0 identified by NLSA and SA

Simulated scenario NLSA performance
 SA performance
SNR = 60
 SNR = 120
 SNR = 60
 SNR = 120
α 0  = 0 (%) α 0  ≠ 0 (%) Accuracy (%) α 0  = 0 (%) α 0  ≠ 0 (%) Accuracy (%) α 0  = 0 (%) α 0  ≠ 0 (%) Accuracy (%) α 0  = 0 (%) α 0  ≠ 0 (%) Accuracy (%)
Tri-exponential
  
  
  
  
  
  
  
  
  
  
  
  
  No trapping (α0 = 0)
 100
 -
 100
 100
 -
 100
 21
 79
 21
 14
 86
 14
  Trapping 1 (α0 = 0.006)
 10
 90
 90
 6
 94
 94
 6
 94
 94
 10
 90
 90
  Trapping 2 (α0 = 0.06)
 -
 100
 100
 -
 100
 100
 -
 100
 100
 -
 100
 100
  Trapping 3 (α0 = 0.2)
 -
 100
 100
 -
 100
 100
 -
 100
 100
 -
 100
 100
  Trapping 4 (α0 = 0.6)
 -
 100
 100
 -
 100
 100
 -
 100
 100
 -
 100
 100
Bi-exponential
  
  
  
  
  
  
  
  
  
  
  
  
  No trapping (α0 = 0)
 100
 -
 100
 100
 -
 100
 14
 86
 14
 2
 98
 2
  Trapping 1 (α0 = 0.006)
 23
 77
 77
 13
 87
 87
 4
 96
 96
 -
 100
 100
  Trapping 2 (α0 = 0.06)
 6
 94
 94
 2
 98
 98
 -
 100
 100
 -
 100
 100
  Trapping 3 (α0 = 0.2)
 -
 100
 100
 -
 100
 100
 -
 100
 100
 -
 100
 100
  Trapping 4 (α0 = 0.6) - 100 100 - 100 100 - 100 100 - 100 100

α0 indicates the tracer trapping. Units are in min-1.