Table 2.

Attack Rates (AR), Case Severity Ratios (CSR), Case Fatality Ratio (CFR) and Severe Case Fatality Ratios (SCFR) by Age Group, Gender, Region and Year for the HFMD Epidemics in China during 2008–2009.

Grouping Factor	Level	2008				2009
		AR (/1000)	CSR (/1000)	CFR (/1000)	SCFR	AR (/1000)	CSR (/1000)	CFR (/1000)	SCFR
Age Group	0–0.9	2.78	4.73	0.81	0.17	7.81	20.33	0.83	0.041
	1–2.9	7.61	2.88	0.32	0.11	18.25	14.72	0.35	0.024
	3–5.9	3.42	1.52	0.074	0.049	7.79	6.22	0.095	0.015
	6–9.9	0.47	1.32	0	0	0.89	3.94	0.039	0.01
	≥10	0.0086	1.01	0	0	0.016	2.01	0	0
Gender	Fenale	0.28	2.25	0.29	0.13	0.68	11.29	0.29	0.026
	Male	0.47	2.61	0.24	0.094	1.09	12.38	0.31	0.025
Region1	CN	0.38	2.76	0.18	0.066	1.32	26.47	0.34	0.013
	CS	0.46	2.71	0.28	0.10	0.86	3.15	0.21	0.067
	S	0.52	3.42	0.48	0.14	0.91	3.65	0.25	0.069
	NE	0.35	1.46	0.18	0.13	0.90	3.74	0.34	0.090
	SW	0.17	0.70	0.061	0.087	0.31	9.85	0.69	0.070
	CW	0.29	0.44	0.074	0.17	0.85	1.94	0.31	0.16
	W	0.16	0.43	0.21	0.5	0.32	1.40	0.11	0.077
Overall		0.38	2.48	0.26	0.10	0.89	11.98	0.31	0.026

¹CN= Central North, CS=Central South, S=South, NE=Northeast, SW=Southwest, CW= Central West, W=West,