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Table 2 Physiological, signal-to-noise ratio, and all lesion SUV parameters

From: Comparison between silicon photomultiplier-based and conventional PET/CT in patients with suspected lung cancer—a pilot study

SUV parameters (mean ± SD) Discovery 690 Discovery MI P value Change (%)
Signal-to-noise ratio 10.9 ± 2.6 10.2 ± 2.2 0.53 − 6
Liver SUVmean 2.4 ± 0.5 2.2 ± 0.3 *0.01 − 10
Blood pool SUVmean 1.8 ± 0.3 1.7 ± 0.3 0.22 − 7
Primary lesions SUVmax 10.9 ± 8.2 10.3 ± 7.1 0.29 − 6
Primary lesions to blood pool SUVratio 6.6 ± 5.2 6.3 ± 4.6 0.84 − 5
Primary lesions to liver SUVratio 5.0 ± 3.9 4.9 ± 3.5 0.84 − 2
Lymph node SUVmax 6.4 ± 5.5 7.0 ± 5.2 *0.026 10
Lymph node to blood pool SUVratio 3.8 ± 3.5 4.2 ± 3.0 0.11 12
Lymph node to liver SUVratio 2.8 ± 2.6 3.2 ± 2.3 *0.021 17
  1. *Indicating a statistically significant difference