CARDIOVASCULAR JOURNAL OF AFRICA • Volume 33, No 5, September/October 2022 264 AFRICA Map 1. A cluster and outlier analysis of OHCA incidents by census sub-places in the Cape Town metro in 2018. Map 2. A cluster and outlier analysis of OHCA incidents by 4km2 hexagonal tessellation in the Cape Town metro in 2018. Map 3. A hotspot analysis of OHCA by 4 km2 hexagonal tessellation in the Cape Town metro in 2018. Map 4. A travel time analysis from each hexagon to the closest care facility in the Cape Town metro in 2018. Fig. 4. Maps 1–4 from geospatial analyses.
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