Table 5. Risk classification of provinces or provincial municipalities based on epidemic index.

Hazard level	Division results of epidemic index	Real division results
Level one	17	17
Level two	12, 14, 16, 18, 22, 27	11, 12, 14, 16, 18, 19
Level three	3, 4, 5, 10, 11, 13, 15, 19, 20, 23, 24, 26, 28	1, 3, 8, 9, 10, 13, 15, 20, 21, 22, 23, 25, 27
Level four	1, 2, 6, 7, 8, 9, 21, 25, 29, 30, 31	2, 4, 5, 6, 7, 24, 26, 28, 29, 30, 31

Note:

The figures in bold and italics indicate that the predicted results are different from the real ones. To be specific, bold numbers mean that the prediction level is low, and the italics mean that the prediction level is high. The bold and italicized numbers in other tables have the same meaning as this table.