Clusters detected | No. of villages in clusters | Time frame | Population | No. of cases | Expected no. of cases | Annual/100,000 | Obs/Exp | RRa | LLRb | P-value | |
---|---|---|---|---|---|---|---|---|---|---|---|
Most likely cluster | 141 | 2009–2011 | 94,430 | 2203 | 230.69 | 827.4 | 9.55 | 16.79 | 3502.96 | < 0.001 | |
Secondary likely cluster | 1 | 4 | 2009–2011 | 4795 | 126 | 12.66 | 862.1 | 9.95 | 10.19 | 177.52 | < 0.001 |
2 | 31 | 2009–2010 | 22,343 | 192 | 36.44 | 456.5 | 5.27 | 5.45 | 166.09 | < 0.001 | |
3 | 8 | 2009–2011 | 6904 | 121 | 17.33 | 604.9 | 6.98 | 7.14 | 132.61 | < 0.001 | |
4 | 50 | 2009–2011 | 4,6437 | 311 | 112.95 | 238.5 | 2.75 | 2.87 | 121.18 | < 0.001 | |
5 | 1 | 2009–2011 | 931 | 24 | 1.86 | 1119 | 12.92 | 12.98 | 39.32 | < 0.001 | |
6 | 13 | 2009–2010 | 22,859 | 86 | 31.83 | 234.1 | 2.73 | 2.7 | 31.62 | < 0.001 |