Detecting spatial-temporal cluster of hand foot and mouth disease in Beijing, China, 2009-2014

BMC Infectious Diseases

Table 3 The clusters of HFMD in Beijing, China, 2009–2014 by Spatial-temporal Scan ^a

Year	Spatial radius (5–20 km)	Date of cluster	Hotspot districts	Number of cases	Expected cases	Relative risk	Log likelihood ratio	P-value
2009	5 km	17–23 May	FT	179	20	9.02	233.96	<0.001
	10 km	17–23 May	FT	229	26	8.78	293.75	<0.001
	15 km	17–23 May	FT	229	26	8.78	293.75	<0.001
	20 km	18–24 May	FT, FS, DX	296	47	6.31	294.81	<0.001
2010	5 km	24–30 Apr	FT	241	37	6.52	247.3	<0.001
	10 km	12–18 June	FT, DX	478	74	6.48	487.07	<0.001
	15 km	21–27 June	FT, DX, TZ, CY	578	93	6.30	574.67	<0.001
	20 km	12–18 June	FT, DX, TZ, CY	808	157	5.21	676.09	<0.001
2011	5 km	21–27 June	FT	212	27	7.99	254.53	<0.001
	10 km	19–25 June	FT, SJS	315	50	6.34	315.12	<0.001
	15 km	18–24 June	FT, SJS, FS	382	68	5.68	346.92	<0.001
	20 km	18–24 June	FT, SJS, FS, DX	520	94	5.62	467.43	<0.001
2012	5 km	1–7 June	DX	168	18	9.50	227.58	<0.001
	10 km	23–29 May	DX, FT, CY	510	90	5.74	467.79	<0.001
	15 km	23–29 May	DX, FT, FS, CY	695	131	5.38	599.01	<0.001
	20 km	23–29 May	DX, FT, CY, TZ	851	173	5.00	681.99	<0.001
2013	5 km	1–7 July	DX,	139	16	8.87	179.86	<0.001
	10 km	1–7 July	DX, FT	441	89	4.99	354.06	<0.001
	15 km	1–7 July	DX, FT, SJS, HD, FS	811	172	4.79	623.15	<0.001
	20 km	1–7 July	DX, FT, DC, XC, CY, TZ	1240	319	4.00	774.89	<0.001
2014	5 km	10–16 June	DX	256	22	11.46	390.01	<0.001
	10 km	10–16 June	DX, FT, FS	368	38	9.63	502.59	<0.001
	15 km	24–30 May	DX, FT, FS	480	59	8.15	584.04	<0.001
	20 km	21–27 June	DX, FT, DC, XC, CY, TZ	1159	320	3.68	659.01	<0.001

ISSN: 1471-2334