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Table 3 Parameter estimates (%standard error) from SRTM2 fits of automated SC, cSC, and tSC ROI TACs for individual subjects along with mean and SD for 4 subjects

From: Feasibility of imaging synaptic density in the human spinal cord using [11C]UCB-J PET

  DVR R1 k2
Full SC    
Subject 1 0.115 (10.7) 0.231 (8.80) 0.036 (15.7)
Subject 2 0.094 (6.83) 0.268 (6.70) 0.051 (10.6)
Subject 3 0.142 (3.73) 0.204 (2.45) 0.026 (5.31)
Subject 4 0.107 (5.45) 0.150 (3.71) 0.025 (7.77)
Mean (S.D.) 0.115 (0.020) 0.213 (0.049) 0.035 (0.012)
Cervical SC (cSC)    
Subject 1 0.143 (7.35) 0.205 (5.20) 0.026 (10.7)
Subject 2 0.074 (7.47) 0.221 (7.30) 0.054 (11.6)
Subject 3 0.181 (10.7) 0.201 (5.89) 0.020 (14.8)
Subject 4 0.183 (4.26) 0.237 (2.77) 0.023 (6.04)
Mean (S.D.) 0.145 (0.051) 0.216 (0.016) 0.031 (0.016)
Thoracic SC (tSC)    
Subject 1 0.103 (12.3) 0.213 (10.2) 0.037 (18.1)
Subject 2 0.104 (7.13) 0.293 (7.00) 0.051 (11.1)
Subject 3 0.135 (5.49) 0.210 (3.78) 0.028 (7.87)
Subject 4 0.104 (7.60) 0.124 (4.68) 0.021 (10.7)
Mean (S.D.) 0.112 (0.016) 0.210 (0.069) 0.034 (0.013)