Quick assessment with controlled attenuation parameter for hepatic steatosis in children based on MRI-PDFF as the gold standard

Table 4 Correlation values for hepatic steatosis in all patients, the non-obese group, obese group, and BMI30 (BMI > 30 kg/m²) group

		All patients (n = 86)		Non-obese group (n = 33)		Obese group (n = 53)		BMI30 group (n = 17)
		r (95% CI)	p-value	r (95% CI)	p-value	r (95% CI)	p-value	r (95% CI)	p-value
PDFF	CAP	0.486 (0.306–0.633)	< 0.001	0.585 (0.302–0.773)	< 0.001	0.354 (0.093–0.570)	0.009	0.212 (− 0.300–0.629)	0.413
PDFF	AWT	0.179 (− 0.003–0.377)	0.099	0.318 (− 0.028–0.596)	0.071	−0.023 (− 0.300–0.249)	0.925	−0.338 (− 0.704–0.170)	0.185
CAP	AWT	0.517 (0.343–0.657)	< 0.001	0.549 (0.253–0.751)	0.001	0.386 (0.129–0.594)	0.004	0.221 (− 0.291–0.634)	0.394

Notes: CI confidence interval, PDFF proton density fat fraction, CAP controlled attenuation parameter, AWT abdominal wall thickness. All the p-values of boldface are less than 0.05

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