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Table 4 Test-retest variability (%) of various (R)-[11C]verapamil rate constants derived from PVC OSEM reconstructed data

From: Reproducibility of quantitative (R)-[11C]verapamil studies

TRT (%) 1T2k60 1T2k60 1T2k10 1T2k10 2T4kVTnsfix 2T4kVTnsfix 2T4kVTnsfix 2T4kVTnsfix
  K 1 k 2 V T k 2 K 1 k 2 k 3 k 4
Global 9.9 ± 8.0 10.2 ± 7.2 7.4 ± 7.3 9.7 ± 6.3 8.2 ± 6.5 21.9 ± 26.1 62.2 ± 54.4 50.2 ± 38.2
Frontal 10.1 ± 7.9 10.4 ± 8.0 9.3 ± 9.2 11.1 ± 7.7 7.6 ± 5.1 21.3 ± 25.1 61.5 ± 57.8 51.0 ± 43.6
Parietal 10.7 ± 8.1 11.3 ± 6.9 9.0 ± 5.9 11.5 ± 9.9 9.7 ± 7.8 22.9 ± 26.0 66.1 ± 57.5 57.7 ± 40.2
Temporal 9.1 ± 8.2 11.6 ± 6.8 7.1 ± 5.8 9.4 ± 6.2 8.0 ± 7.2 22.2 ± 26.1 61.7 ± 52.6 49.3 ± 36.1
Occipital 11.0 ± 7.6 9.3 ± 7.1 6.7 ± 7.5 9.7 ± 6.7 10.7 ± 7.5 23.1 ± 28.8 60.0 ± 56.1 49.1 ± 39.1
Posterior cingulate 13.4 ± 11.5 11.4 ± 8.2 15.6 ± 10.1 17.7 ± 9.5 13.6 ± 10.6 28.0 ± 27.4 84.4 ± 57.1 69.8 ± 54.1
Anterior cingulate 12.9 ± 9.3 12.6 ± 8.8 13.8 ± 8.6 21.7 ± 12.5 11.3 ± 6.2 23.3 ± 24.6 74.7 ± 63.8 65.4 ± 50.7
Medial temporal 15.0 ± 21.7 14.4 ± 13.0 25.8 ± 13.2 38.3 ± 22.1 16.9 ± 19.1 28.6 ± 31.1 82.3 ± 53.5 79.2 ± 45.5
Cerebellum 8.4 ± 7.5 10.2 ± 6.8 10.1 ± 6.4 10.6 ± 6.7 7.2 ± 5.9 20.8 ± 26.1 68.0 ± 60.8 59.1 ± 47.5