From: Targeting the hotspots: investigating spatial and demographic variations in HIV infection in small communities in South Africa
Potential clusters*
Radius (km)
Prevalence of HIV (%)
Total women tested
Relative risk of excess HIV cases
p-values
Cluster No. 1
4.5
56.0
315
34.6
0.001
Cluster No. 2
32.0
51.0
569
2.4
Cluster No. 3
3.7
39.0
59
10.1