TABLE 3.

Spearman Rank Correlation Coefficient Estimate Between GFR and Creatinine, with Several Covariates Along with Their CI Using Bootstrapping with Bias-Corrected and Accelerated Method Based on 2,000 Resamples

	GFR			Creatinine ρ
Covariate	ρ	P	95% CI	ρ	P	95% CI
SUV_mean liver	−0.310	0.132	−0.634, 0.118	0.218	0.295	−0.246, 0.606
SUV_mean bp	−0.415	0.039	−0.753, 0.064	0.346	0.090	−0.105, 0.723
SUV_mean spleen	−0.130	0.535	−0.519, 0.285	0.057	0.786	−0.423, 0.514
Mean SUV_max	0.199	0.340	−0.224, 0.596	−0.226	0.278	−0.583, 0.161
Mean SUV_mean	0.317	0.123	−0.090, 0.645	−0.329	0.108	−0.653, 0.063
Renal SUV_max/liver ratio	0.402	0.046	0.028, 0.706	−0.364	0.074	−0.731, 0.124
Renal SUV_max/bp ratio	0.471	0.018	0.115, 0.736	−0.422	0.036	−0.738, 0.017
Renal SUV_max/spleen ratio	0.245	0.237	−0.160, 0.614	−0.210	0.314	−0.631, 0.287
Renal SUV_mean/liver ratio	0.505	0.010	0.102, 0.786	−0.451	0.024	−0.800, 0.041
Renal SUV_mean/bp ratio	0.574	0.003	0.220, 0.832	−0.515	0.008	−0.820, −0.075
Renal SUV_mean/spleen ratio	0.353	0.083	−0.075, 0.689	−0.304	0.140	−0.708, 0.209
Sum counts	0.124	0.554	−0.245, 0.467	−0.159	0.446	−0.537, 0.269
Sum volume	−0.005	0.982	−0.391, 0.397	−0.038	0.856	−0.398, 0.324
Sum TLG	0.225	0.280	−0.166, 0.570	−0.268	0.195	−0.617, 0.164
Age	−0.683	0.001	−0.907, −0.344	0.565	0.003	0.175, 0.839
Weight	0.133	0.528	−0.224, 0.473	−0.175	0.402	−0.530, 0.220
Height	0.158	0.452	−0.279, 0.513	−0.194	0.354	−0.546, 0.217
Body mass index	0.061	0.773	−0.392, 0.466	−0.100	0.635	−0.481, 0.341
Mean SUL_mean	0.343	0.093	−0.031, 0.622	−0.329	0.108	−0.640, 0.075
Mean SUL_max	0.171	0.413	−0.229, 0.532	−0.190	0.362	−0.555, 0.230
Sum TLG (SUL)	0.334	0.103	−0.080, 0.644	−0.361	0.076	−0.653, 0.031

bp = blood pool; ρ = estimated Spearman rank correlation coefficient.
P values are based on 2-sided test.