Table 5 The characteristics of spatial clusters of recent HIV infections attributed by the main transmission routes
Spatial Clusters | Counties | Number of cases | Relative Risk | Log Likelihood Ratio | p-value |
|---|---|---|---|---|---|
Heterosexual contact | |||||
 Primary Cluster | Mengzi, Pingbian, Gejiu, Kaiyuan, Wenshan, Hekou, Yuanyang, Jinping, Yanshan, Jianshui, Maguan | 108 | 3.17 | 44.1 | < 1.0E-17 |
 Secondary Cluster 1 | Ruili, Longchuan, Mangshi, Yingjiang | 35 | 3.51 | 18.2 | 1.4E-06 |
 Secondary Cluster 2 | Menglian, Ximeng, Lancang, Menghai, Cangyuan, Shuangjiang, Gengma, Simao | 43 | 2.27 | 10.5 | 2.0E-03 |
Homosexual Contact | |||||
 Secondary Cluster 1 | Anning, Xishan | 18 | 20.77 | 34.0 | 7.7E-13 |
 Secondary Cluster 1 | Dali | 9 | 13.93 | 14.6 | 4.3E-05 |
Intravenous drug injection | |||||
 Secondary Cluster 1 | Ruili, Longchuan, Mangshi, Yingjiang | 30 | 51.07 | 75.9 | < 1.0E-17 |