Optimized dose regimen for whole-body FDG-PET imaging

EJNMMI Research

Table 3 Fit of SNR _norm with various patient-dependent parameters

Patient-dependent parameter	Biograph TruePoint				Biograph mCT
	OSEM3D				OSEM3D + PSF + TOF				OSEM3D + PSF				OSEM3D
	a	d	R ²	p value of F test	a	d	R ²	p value of F test	a	d	R ²	p value of F test	a	d	R ²	p value of F test
Body mass (kg)	31.43	1.02	0.93	-	63.57	1.22	0.77	-	24.47	0.99	0.79	-	30.19	1.08	0.84	-
BMI (kg/m²)	11.16	1.04	0.78	<0.001*	19.20	1.28	0.52	0.003*	11.28	1.10	0.56	0.006*	13.11	1.20	0.59	<0.001*
Lean body mass (Hume, kg)	63.07	1.30	0.72	<0.001*	90.26	1.42	0.68	0.200	37.69	1.19	0.69	0.145	47.30	1.30	0.72	0.058
Fat mass (Hume, kg)	1.60	0.47	0.80	0.001*	2.01	0.60	0.64	0.065	1.61	0.51	0.67	0.081	1.56	0.56	0.71	0.035*
Lean body mass (James, kg)	20.41	1.01	0.49	<0.001*	46.46	1.24	0.65	0.119	21.44	1.03	0.65	0.086	25.68	1.13	0.69	0.030*
Fat mass (James, kg)	1.39	0.44	0.75	<0.001*	1.66	0.57	0.56	0.009*	1.37	0.49	0.59	0.010*	1.31	0.54	0.63	0.002*
Mass per length (kg/m)	23.49	1.09	0.91	0.325	49.14	1.34	0.71	0.400	24.16	1.13	0.74	0.513	29.97	1.24	0.78	0.363