Table Info

Table 2.

Comparison of the prediction accuracy of the optimal cut-off points

Indices	Cut-off point	AUC (95% CI)	SN (%)	SP (%)	PPV (%)	NPV (%)	Youden’s J statistic
FLI
Traditional	< 30	0.735 (0.721–0.747)	68.22	-	75.26	72.26	46.90
Traditional	> 60	0.623 (0.609–0.637)	-	94.53	83.92	58.70	24.55
New	> 22.4	0.819 (0.807–0.830)	79.42	69.88	71.48	78.13	49.30
HSI
Traditional	< 30	0.668 (0.654–0.681)	92.58	-	59.85	85.32	33.55
Traditional	> 36	0.667 (0.653–0.681)	-	89.83	80.30	62.63	33.43
New	> 32.9	0.792 (0.779–0.804)	73.17	70.74	70.39	73.50	43.91
FSI
Traditional	> 23	0.701 (0.687–0.714)	54.43	85.73	78.38	66.44	40.16
New	> 13.6	0.822 (0.810–0.833)	76.13	73.17	72.95	76.34	49.30
ZJU index
Traditional	< 32	0.684 (0.670–0.697)	95.87	-	60.67	91.24	36.79
Traditional	> 38	0.667 (0.653–0.680)	-	91.88	82.91	62.28	33.32
New	> 34.9	0.826 (0.814–0.836)	74.92	75.35	74.29	75.97	50.27

The hyphen (-) was used to conceal data that were not necessary in that comparison. AUC: area under the receiver operating characteristic curve; 95% CI: 95% confidence interval; SN: sensitivity; SP: specificity; PPV: positive predictive value; NPV: negative predictive value; FLI: fatty liver index; HSI: hepatic steatosis index; FSI: Framingham Steatosis index; ZJU index: Zhejiang University index

Declarations

Acknowledgments

We express gratitude to all staff at the Health Management Center of the Second Affiliated Hospital of Chongqing Medical University for their assistance during the data collection process.

Author contributions

BX: Formal analysis, Writing—original draft. CL: Investigation, Formal analysis. MC: Investigation, Data curation. YZ: Conceptualization, Project administration, Methodology, Supervision, Writing—review & editing. All authors read and approved the submitted version.

Conflicts of interest

The authors declare that they have no conflicts of interest.

Ethical approval

This study was approved by the Ethics Committee of the Second Affiliated Hospital of Chongqing Medical University (approval no.2020261).

Consent to participate

Informed consent was obtained from all participants prior to participation.

Consent to publication

Not applicable.

Availability of data and materials

The raw data supporting the conclusions of this article will be made available by the authors, without undue reservation.

Funding

This work is supported by the Chongqing Talents Project [cstc2021ycjhbgzxm0150] and the Chongqing Science and Technology Commission Joint Medical Project [2021MSXM057]. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

Copyright

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