Table 3. Multivariate regression analysis for independent variables associated with pancreatic fat fraction.

Variable	All (n=64)		Group with obesity (n=45)
	β (95% CI)	p-value	β (95% CI)	p-value
Age	0.121 (0.053 to 0.409)	0.128	N/A	N/A
BMI z-score	0.344 (0.436 to 2.032)	0.003**	0.322 (0.381 to 3.552)	0.016*
PPHFI	0.422 (0.364 to 1.295)	0.001**	0.422 (0.314 to 1.455)	0.003**
HFF	0.107 (−0.023 to 0.082)	0.265	0.112 (−0.035 to 0.093)	0.363
	Adjusted R2=0.645 F=29.59 p<0.001		Adjusted R2=0.420 F=11.63 p<0.001

Age was excluded from the model for the group with obesity.

BMI: body mass index, PPHFI: pancreato-perihepatic fat index, HFF: hepatic fat fraction, β: standardized coefficient, CI: confidence interval, N/A: not applicable.

^*p<0.05, ^**p<0.01.