Table 2 The results of spatial-temporal scanning
Cluster | Primary Cluster 1 | Secondary Cluster 2 | Tertiary Cluster 3 |
|---|---|---|---|
Location | Xuyi | Lishui | Pukou |
Coordinates / radius | (32.969318 N, 118.526272 E) / 0 km | (31.596370 N, 119.028989 E) / 0 km | (32.039690 N, 118.537480 E) / 0 km |
Time frame | 2017/1/1 to 2021/12/31 | 2017/1/1 to 2021/12/31 | 2018/1/1 to 2021/12/31 |
Population | 607,215 | 491,334 | 364,826 |
Number of cases | 108 | 86 | 38 |
Expected | 16.05 | 12.99 | 8.49 |
Annual cases (1/100,000) | 3.6 | 3.5 | 2.4 |
Relative risk | 8.18 | 7.70 | 4.74 |
LLR | 122.645 | 94.938 | 28.292 |
P value | < 0.001 | < 0.001 | < 0.001 |