Table 3 Results of the Spatio-temporal cluster test on HFMD incidence at county level in Hunan Province, 2009–2015
Year | Cluster type | Cluster time | Radius (km)/Counties (n) | Cluster regions | RR | LLR | P-value |
|---|---|---|---|---|---|---|---|
2009 | Most-likely | Apr 1-Jun 30 | 158.08 (32) | Northern | 5.33 | 7631.47 | <0.001 |
Secondary | Apr 1-May 31 | 112.49 (33) | Central | 2.57 | 1231.69 | <0.001 | |
2010 | Most-likely | Apr 1-Jul 31 | 105.46 (31) | Central | 5.48 | 29,371.10 | <0.001 |
Secondary | Apr 1-Jun 30 | 124.80 (30) | Central-southern | 2.80 | 2746.93 | <0.001 | |
2011 | Most-likely | May 1-Jul 31 | 96.49 (29) | Central-western | 4.27 | 14,620.54 | <0.001 |
Secondary | Mar 1-Jul 31 | 45.44 (4) | Central | 2.75 | 1061.01 | <0.001 | |
Secondary | Sep 1-Dec 31 | 29.03 (3) | Western | 2.29 | 354.38 | <0.001 | |
2012 | Most-likely | May 31-Jun 30 | 111.41 (32) | Central | 4.09 | 20,059.96 | <0.001 |
2013 | Most-likely | Apr 1-Jul 31 | 91.83 (23) | Central-northern | 2.54 | 5221.37 | <0.001 |
Secondary | Apr 1-Jun 30 | 39.20 (4) | Western | 5.11 | 1603.22 | <0.001 | |
Secondary | Apr 1-Jun 30 | 131.84 (36) | South-western | 1.72 | 1409.81 | <0.001 | |
2014 | Most-likely | Apr 1-Jun 30 | 117.38 (30) | Central | 4.40 | 33,910.07 | <0.001 |
Secondary | May 1-Jun 30 | 74.22 (6) | Southern | 2.94 | 1540.24 | <0.001 | |
2015 | Most-likely | May 1-Jul 31 | 120.81 (30) | Central | 3.03 | 9577.40 | <0.001 |
Secondary | May 1-Oct 30 | 11.38 (2) | Central | 4.04 | 1314.12 | <0.001 | |
Secondary | May 1-Jun 30 | 170.72 (38) | Western | 1.58 | 762.17 | <0.001 | |
Secondary | Apr 1-Jun 30 | 60.65 (4) | Southern | 2.38 | 568.19 | <0.001 |