Table 6.

Summary of the most used categories.

Category	Most used
Clustering algorithm	Space-time permutation scan statistic
Type of clustering	Spatiotemporal type
Threshold	Recurrence interval
Design method	Participatory design
Evaluation method	Simulation with historical data
Performance metric	Sensitivity
Type of location	Geocode
Source of location	Patient health record
Nature of location source	Static
Visualization tool used	ArcGIS
Displayed output	Maps
Layout	Data clustering and aberration detection, alarms and alerts