| AUC | Area Under the Curve |
| CI | Confidence Interval |
| HAV | Hepatitis A Virus |
| IQR | Interquartile Range |
| OR | Odds Ratio |
| ROC | Receiver Operating Characteristic |
| SD | Standard Deviation |
| SEIEVA | Integrated Epidemiological Surveillance System for Acute Viral Hepatitis |
| VIF | Variance Inflation Factor |
| X2 | Chi-square Test |
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