Spatiotemporal analyses of foot and mouth disease outbreaks in cattle farms in Chiang Mai and Lamphun, Thailand

BMC Veterinary Research

Table 2 Spatiotemporal clusters by space-time permutation scan statistic model on FMD outbreaks in cattle farms in Chiang Mai and Lamphun, Thailand 2015–2016

Cluster number	Cluster type	Cluster time	Centroid(X,Y)/ Radius (km)	Number of cases	Number of expected cases	Observed to expected ratio	Log likelihood ratio	p-value
2015
1	Most likely	14–27 Aug	19.017796 N, 98.962637 E/1.49	108	7.59	14.22	189.63	< 0.001
2	Secondary	18–24 Sep	18.697055 N, 99.145108 E/1.12	73	5.70	12.80	120.29	< 0.001
3	Secondary	25 Sep-1 Oct	18.906281 N, 99.030852 E/6.84	168	39.98	4.20	118.73	< 0.001
4	Secondary	4–17 Sep	18.630120 N, 99.274667 E/0.60	131	27.81	4.71	103.42	< 0.001
5	Secondary	30 Oct-5 Nov	18.911784 N, 99.104971 E/0.26	35	0.79	44.29	98.84	< 0.001
6	Secondary	28 Aug-3 Sep	18.715834 N, 99.214166 E/2.50	103	18.61	5.54	94.23	< 0.001
7	Secondary	6–12 Nov	18.725603 N, 99.189108 E/0	30	0.74	40.79	82.26	< 0.001
8	Secondary	26 Jun-2 Jul	18.914357 N, 99.117265 E/0	30	1.12	26.72	69.96	< 0.001
9	Secondary	11–17 Sep	18.880194 N, 99.111250 E/0.26	50	7.87	6.35	50.89	< 0.001
2016
1	Most likely	5 Jun-16 Jul	18.525698 N, 99.046928 E/8.51	156	13.21	11.81	246.09	< 0.001
2	Secondary	17–23 Jul	19.075278 N, 98.940000 E/12.86	196	24.56	7.98	241.05	< 0.001
3	Secondary	28 Aug-1 Oct	18.737536 N, 99.119652 E/13.68	588	242.21	2.43	200.09	< 0.001
4	Secondary	31 Jan-5 Mar	18.644958 N, 99.288258 E/7.82	200	36.75	5.44	180.49	< 0.001
5	Secondary	14–27 Aug	18.765499 N, 99.261678 E/0.57	66	4.75	13.89	113.08	< 0.001
6	Secondary	17–23 Jan	18.784143 N, 99.255501 E/0	30	0.32	93.77	106.70	< 0.001
7	Secondary	7–13 Feb	18.760247 N, 99.262097 E/0	30	0.37	80.37	102.12	< 0.001
8	Secondary	24 Jul-6 Aug	18.797000 N, 99.258491 E / 1.12	99	25.67	3.86	61.26	< 0.001

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