Table 3 Cluster information for HIV infection among MMTP clients using the geographic scan statistic in Southwest China
Type of cluster | Number of towns | Cluster center (Latitude/longitude) | Radius (Km) | Population | Number of cases | Relative risk | Log likelihood ratio | Pvalue |
|---|---|---|---|---|---|---|---|---|
Most likely high risk cluster | 80 | 27.9933Â N, 102.8750 E | 40.08 | 2714 | 1014 | 2.30 | 185.53 | 0.0001 |
Secondary high risk cluster | 11 | 28.5176Â N, 102.6218 E | 11.46 | 201 | 89 | 1.81 | 18.00 | 0.0001 |
Secondary high risk cluster | 1 | 28.8382Â N, 102.7705 E | 0.00 | 30 | 19 | 2.54 | 9.78 | 0.0289 |
Secondary low risk cluster | 67 | 26.4770Â N, 102.1328 E | 114.25 | 394 | 23 | 0.22 | 53.92 | 0.0001 |
Secondary low risk cluster | 7 | 29.0614Â N, 102.7907 E | 10.09 | 269 | 25 | 0.36 | 22.68 | 0.0001 |