From: Targeting the hotspots: investigating spatial and demographic variations in HIV infection in small communities in South Africa
Potential clusters*
Radius (km)
Total women tested
Relative risk of excess HIV cases
p-values
Total locations
Cluster No. 1
4.5
137
22.1
0.001
2
Cluster No. 2
4.3
31
19.4
Cluster No. 3
2.6
260
11.8
Cluster No. 4
3.7
26
9.2