Table 4 The clusters of mumps cases detected by using the space-time scan statistics
From: Spatial, temporal, and spatiotemporal analysis of mumps in Guangxi Province, China, 2005–2016
Cluster type | Time frame | Radius (km2) | Cluster areas (n) | Observed | Expected | ODE | LLR | RR | P value |
|---|---|---|---|---|---|---|---|---|---|
Most likely | 2011/5–2012/11 | 140.70 | 14 | 8735 | 2463.95 | 3.55 | 4880.04 | 3.66 | < 0.001 |
Secondary | 2009/5–2011/8 | 89.14 | 15 | 11,050 | 3791.62 | 2.91 | 4691.20 | 3.02 | < 0.001 |
2nd Secondary | 2010/5–2012/7 | 66.71 | 8 | 10,862 | 3898.21 | 2.79 | 4286.84 | 2.88 | < 0.001 |
3rd Secondary | 2007/12–2009/4 | 21.08 | 3 | 2027 | 313.37 | 6.47 | 2077.72 | 6.52 | < 0.001 |
4th Secondary | 2010/5–2012/7 | 65.28 | 5 | 4178 | 1430.65 | 2.92 | 1748.52 | 2.96 | < 0.001 |
5th Secondary | 2008/5–2009/7 | 106.00 | 10 | 4406 | 1834.70 | 2.40 | 1304.78 | 2.43 | < 0.001 |
6th Secondary | 2011/4–2012/7 | 56.64 | 6 | 4359 | 1963.44 | 2.22 | 1094.87 | 2.25 | < 0.001 |
7th Secondary | 2009/3–2011/6 | 43.22 | 3 | 1679 | 562.82 | 2.98 | 721.96 | 3.00 | < 0.001 |
8th Secondary | 2011/12–2012/8 | 0.00 | 1 | 879 | 215.04 | 4.09 | 574.71 | 4.10 | < 0.001 |
9th Secondary | 2011/5–2011/7 | 40.27 | 3 | 759 | 321.71 | 2.36 | 214.66 | 2.36 | < 0.001 |