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Table 1 SaTScan test results for significant spatial clustering in terms of HIV prevalence among sexually active women after adjusting for size of the underlying population at risk and for age.

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

0.001

Cluster No. 3

3.7

39.0

59

10.1

0.001

  1. *1 - Inchanga, Hammersdale (west of Durban); 2 - Mthwalume, Umzinto, Molweni (south of Durban); 3 - Hillcrest, Botha's Hill (west of Durban).