Year | Type of cluster | No. of counties in cluster | Radius (km) | LLR | RR | P-value* |
---|---|---|---|---|---|---|
2004 | Most likely cluster | 2 | 39.17 | 114.21 | 7.12 | 0.001 |
Secondary cluster 1 | 8 | 164.99 | 104.56 | 2.76 | 0.001 | |
Secondary cluster 2 | 6 | 187.76 | 38.18 | 2.06 | 0.001 | |
Secondary cluster 3 | 4 | 113.48 | 26.68 | 1.75 | 0.001 | |
Secondary cluster 4 | 3 | 81.03 | 24.37 | 2.66 | 0.001 | |
2005 | Most likely cluster | 4 | 26.18 | 381.42 | 7.24 | 0.001 |
Secondary cluster 1 | 4 | 117.62 | 355.75 | 6.41 | 0.001 | |
Secondary cluster 2 | 1 | 0.00a | 85.96 | 5.30 | 0.001 | |
Secondary cluster 3 | 2 | 61.69 | 35.73 | 2.38 | 0.001 | |
Secondary cluster 4 | 2 | 64.71 | 28.58 | 2.88 | 0.001 | |
Secondary cluster 5 | 2 | 53.88 | 9.99 | 2.56 | 0.033 | |
2006 | Most likely cluster | 6 | 100.54 | 191.49 | 7.03 | 0.001 |
Secondary cluster 1 | 6 | 132.81 | 137.54 | 3.99 | 0.001 | |
Secondary cluster 2 | 2 | 12.85 | 91.45 | 8.48 | 0.001 | |
Secondary cluster 3 | 5 | 179.29 | 11.43 | 1.93 | 0.005 | |
2007 | Most likely cluster | 1 | 0.00a | 1107.94 | 33.01 | 0.001 |
Secondary cluster 1 | 3 | 87.64 | 25.58 | 2.91 | 0.001 | |
Secondary cluster 2 | 2 | 32.53 | 23.32 | 2.60 | 0.001 | |
Secondary cluster 3 | 1 | 0.00a | 22.49 | 2.64 | 0.001 | |
Secondary cluster 4 | 4 | 14.26 | 9.88 | 2.27 | 0.046 | |
2008 | Most likely cluster | 4 | 59.44 | 207.67 | 5.14 | 0.001 |
Secondary cluster 1 | 4 | 14.26 | 96.97 | 5.97 | 0.001 | |
Secondary cluster 2 | 1 | 0.00a | 87.52 | 4.93 | 0.001 | |
Secondary cluster 3 | 4 | 153.81 | 19.88 | 2.52 | 0.001 | |
Secondary cluster 4 | 1 | 0.00a | 12.49 | 2.56 | 0.002 | |
Secondary cluster 5 | 1 | 0.00a | 10.57 | 4.64 | 0.018 | |
Secondary cluster 6 | 1 | 0.00a | 9.62 | 4.93 | 0.050 | |
2009 | Most likely cluster | 1 | 0.00a | 66.28 | 33.23 | 0.001 |
Secondary cluster 1 | 5 | 136.07 | 20.64 | 4.62 | 0.001 | |
2010 | Most likely cluster | 1 | 0.00a | 15.51 | 53.67 | 0.002 |
2011 | Most likely cluster | 6 | 92.81 | 28.95 | 18.03 | 0.001 |
2012 | Most likely cluster | 1 | 0.00a | 42.68 | 56.51 | 0.001 |
2013 | Most likely cluster | 1 | 0.00a | 1924.26 | 81.45 | 0.001 |
Secondary cluster 1 | 8 | 205.23 | 163.35 | 4.14 | 0.001 | |
Secondary cluster 2 | 2 | 49.60 | 18.22 | 2.48 | 0.001 | |
Secondary cluster 3 | 1 | 0.00a | 13.63 | 2.07 | 0.001 | |
2014 | Most likely cluster | 8 | 127.25 | 2006.30 | 5.88 | 0.001 |
Secondary cluster 1 | 3 | 71.96 | 431.92 | 7.04 | 0.001 | |
Secondary cluster 2 | 5 | 153.81 | 24.99 | 1.88 | 0.001 |