LBR | Lesion size | Relative difference of SNR(%) | |||||
---|---|---|---|---|---|---|---|
\(\Delta {\mathrm{SNR}}_{\left(200-100\right)}\) | \(\Delta {\mathrm{SNR}}_{(300-200)}\) | \(\Delta {\mathrm{SNR}}_{\left(400-300\right)}\) | \(\Delta {\mathrm{SNR}}_{\left(500-400\right)}\) | \(\Delta {\mathrm{SNR}}_{\left(500-100\right)}\) | \(\Delta {\mathrm{SNR}}_{\left(\mathrm{OSEM}-500\right)}\) | ||
2:1 | 10 mm | 26.5 | 16 | 11.4 | 8.8 | 49.1 | − 4.9 |
22 mm | 24.9 | 12.8 | 6.9 | 3.9 | 42.8 | − 0.9 | |
37Â mm | 18.3 | 8.4 | 4.7 | 2.9 | 30.8 | 1.2 | |
p | S | S | S | S | S | S | |
4:1 | 10 mm | 26.1 | 14.8 | 9.5 | 7.3 | 45.1 | − 10.2 |
22 mm | 24.6 | 12.2 | 6.8 | 6.9 | 40.5 | − 7.3 | |
37 mm | 21.7 | 10.6 | 6.4 | 4.7 | 37.4 | − 3.1 | |
p | S | S | S | NS | S | S | |
8:1 | 10 mm | 25.2 | 13.6 | 8.7 | 6 | 43.7 | − 30.6 |
22 mm | 24.2 | 13.5 | 8.3 | 5.6 | 40.7 | − 20.4 | |
37 mm | 22.1 | 12.5 | 8 | 5.4 | 44.0 | − 18.8 | |
p | S | S | S | NS | S | S | |
Relative difference of LE(%) | |||||||
8:1 | Lung insert | \(\Delta {\mathrm{LE}}_{\left(200-100\right)}\) | \(\Delta {\mathrm{LE}}_{\left(300-200\right)}\) | \(\Delta {\mathrm{LE}}_{(400-300)}\) | \(\Delta {\mathrm{LE}}_{\left(500-400\right)}\) | \(\Delta {\mathrm{LE}}_{\left(500-100\right)}\) | \(\Delta {\mathrm{LE}}_{\left(\mathrm{OSEM}-500\right)}\) |
 − 5.3 |  − 4.1 |  − 3.8 |  − 3.2 |  − 13.1 | 54.5 | ||
p | S | S | NS | NS | S | S |