TABLE 3. Standardized uptake values (SUV), as measured on 100% standard-dose¹⁸F-FDG PET, simulated 6.25% ultra-low-dose¹⁸F-FDG PET and AI-reconstructed¹⁸F-FDG PET scans.

Data represent mean and median SUV_max, SUV_mean and SUV_std values of representative tumors, the liver and medastinal blood pool.

	100% standard-dose PET	6.25% ultra-low-dose PET	A1-reconstructed PET
Liver
SUV_max
Mean (SD)	2.65 (1.12)	5.87 (2.44)	2.92 (1.06)
Median [Q1, Q3]	2.47 [2.19, 2.69]	5.49 [4.79, 6.23]	2.71 [2.46, 2.97]
SUV_mean
Mean (SD)	1.89 (0.817)	1.98 (0.866)	1.90 (0.852)
Median [Q1, Q3]	1.80 [1.54, 1.94]	1.78 [1.56, 1.96]	1.73 [1.48, 1.91]
SUV_std
Mean (SD)	0.216 (0.0826)	0.774 (0.277)	0.270 (0.0894)
Median [Q1, Q3]	0.200 [0.170, 0.240]	0.710 [0.670, 0.845]	0.250 [0.225, 0.300]
Mediastinal Blood Pool
SUV_max
Mean (SD)	2.44 (1.13)	5.11 (2.55)	2.60 (121)
Median [Q1, Q3]	2.22 [1.68, 2.68]	4.22 [3.29, 6.40]	2.44 [1.77, 2.97]
SUV_mean
Mean (SD)	1.53 (0.863)	1.61 (0.809)	1.59 (0.794)
Median [Q1, Q3]	1.25 [1.02, 1.67]	1.38 [1.12, 1.82]	1.47 [1.08, 1.70]
SUV_std
Mean (SD)	0.237 (0.0951)	0.690 (0.316)	0.262 (0.119)
Median [Q1, Q3]	0.220 [0.175, 0.275]	0.580 [0.445, 0.905]	0.240 [0.180, 0.330]
Tumor
SUV_max
Mean (SD)	11.9 (6.44)	15.0 (7.19)	10.6 (5.95)
Median [Q1, Q3]	11.6 [7.04, 15.4]	14.2 [9.92, 18.8]	9.77 [6.29, 13.8]
SUV_mean
Mean (SD)	3.87 (2.33)	3.79 (2.23)	3.63 (2.24)
Median [Q1, Q3]	3.17 [2.32, 5.39]	3.24 [2.37, 4.94]	2.90 [2.23, 4.96]