Table 5.

Multiple linear regression result for the combination with the highest R² for log maxminhrp cohorts 1 and 2. Presented in asending order or the P value

Variable	Beta	SE	P value	Variable	Beta	SE	P value
LKTBR	−0.32	0.06	<0.01	LKTBR	−0.12	0.04	<0.01
Right renal margins well defined	−0.52	0.11	<0.01	Right renal margins well defined	−0.33	0.12	0.01
Age	<−0.01	<0.01	0.01	Time visualisation left pelvis	−0.02	0.01	0.02
GFR	<−0.01	<0.01	0.06	Age	<−0.01	<0.01	0.09
Time visualisation right calyces	0.04	0.02	0.02	GFR	<−0.01	<0.01	0.21
Left no cortical defects	0.04	0.11	0.76	Left renal area	<−0.01	<0.01	0.56
Left background area	0.03	0.02	0.22	Left no cortical defects	0.06	0.11	0.59

Beta, beta-coefficient; GFR, glomerular filtration rate; SE, robust standard error.