. Author manuscript; available in PMC: 2024 May 1.

Published in final edited form as: IEEE Trans Radiat Plasma Med Sci. 2023 Feb 22;7(5):465–472. doi: 10.1109/trpms.2023.3243576

TABLE I.

Statistics of Slope, Intercept and R² in the Linear Regression Analysis in Joint Histograms between Input SUVR, Synthetic K_i and Ground truth K_i Images

		SUVR			SISO			MISO			SIMO
		Slope	Intercept	R ²	Slope	Intercept	R ²	Slope	Intercept	R ²	Slope	Intercept	R ²
Total	Mean	1.218	0.155	0.571	0.714	0.0259	0.596	0.740	0.0366	0.580	0.747	0.0357	0.576
Total	Normalized Standard Deviation	0.235	0.215	0.211	0.366	1.769	0.227	0.423	0.676	0.216	0.367	0.6208	0.239
Group 1	Mean	1.120	0.131	0.606	0.871	−0.014	0.666	0.891	0.022	0.646	0.880	0.023	0.638
Group 1	Normalized Standard Deviation	0.401	0.083	0.104	0.609	−6.760	0.097	0.656	1.171	0.209	0.632	0.954	0.198
Group 2	Mean	1.393	0.180	0.562	0.769	0.031	0.555	0.842	0.030	0.577	0.839	0.030	0.566
Group 2	Normalized Standard Deviation	0.048	0.214	0.263	0.177	0.879	0.281	0.375	1.236	0.199	0.223	1.014	0.283
Group 3	Mean	1.330	0.172	0.544	0.660	0.046	0.571	0.661	0.049	0.552	0.677	0.052	0.547
Group 3	Normalized Standard Deviation	0.158	0.159	0.207	0.128	0.145	0.179	0.160	0.182	0.184	0.138	0.171	0.181
Group 4	Mean	0.944	0.142	0.607	0.576	0.035	0.642	0.544	0.047	0.594	0.595	0.039	0.622
Group 4	Normalized Standard Deviation	0.242	0.030	0.135	0.039	0.008	0.132	0.107	0.018	0.126	0.058	0.016	0.148
Group 5	Mean	1.306	0.150	0.538	0.695	0.031	0.548	0.762	0.035	0.53	0.745	0.034	0.509
Group 5	Normalized Standard Deviation	0.074	0.212	0.261	0.253	0.751	0.273	0.192	0.616	0.274	0.190	60.646	0.284