The identification and spatial distribution of hotspots of tuberculosis occurrence in South Africa

BMC Research Notes

Table 1 Purely spatial clusters for high occurrence of TB in South Africa, 2014–2018

Cluster type	Coordinates (South, East)/radius (km)	P value	Population	Observed cases	Expected cases	RR
Most likely cluster	(27.96, − 25.01)/106.21	< 0.001	20,302,305	5660	761.38	20.54
Secondary cluster 1	(28.27, − 25.39)/40.98	< 0.001	8,944,443	3700	335.44	18.86
Secondary cluster 2	(24.67, − 27.31)/100.77	< 0.001	2,844,495	986	106.68	10.33
Secondary cluster 3	(27.21, − 25.66)/68.9	< 0.001	4,866,324	1061	182.50	6.51
Secondary cluster 4	(28.01, − 25.94)/22.85	< 0.001	6,862,365	699	257.35	2.87
Secondary cluster 5	(27.66, − 26.36)/4.36	< 0.001	56,973	80	2.14	37.79
Secondary cluster 6	(28.3, − 26.21)/0.99	< 0.001	108,945	95	4.09	23.51
Secondary cluster 7	(29.24, − 25.96)/74.69	< 0.001	6,285,507	550	235.72	2.43
Secondary cluster 8	(32.1, − 28.28)/0	< 0.001	41,715	59	1.56	37.97
Secondary cluster 9	(27.76, − 26.2)/2.5	< 0.001	168,885	80	6.33	12.74
Secondary cluster 10	(28.23, − 32.33)/0	< 0.001	24,918	27	0.93	28.98
Secondary cluster 11	(28.19, − 26.4)/0	< 0.001	182,805	48	6.86	7.04
Secondary cluster 12	(28.87, − 32.15)/6.69	< 0.001	27,735	23	1.04	22.17
Secondary cluster 13	(28.42, − 26.36)/0	< 0.001	59,112	28	2.22	12.67
Secondary cluster 14	(27.57, − 28.9)/1.33	< 0.001	31,470	19	1.18	16.13
Secondary cluster 15	(27.78, − 26.74)/4.68	< 0.001	122,385	30	4.59	6.56
Secondary cluster 16	(27.88, − 26.55)/0	< 0.001	40,830	17	1.53	11.12
Secondary cluster 17	(27.84, − 26.5)/0	< 0.001	153,117	27	5.74	4.71
Secondary cluster 18	(27.88, − 26.24)/0	< 0.001	111,966	20	4.20	4.77

ISSN: 1756-0500