Compared to what? Estimating the relative concentration of crime at places using systematic and other reviews

Crime Science

Table 2 Summary of POV crime concentration findings.

Reviews (years of studies examined)	Studies^a	Findings^a	Average proportion of cases without crime (%)	Average proportion of crime for worst 10% of cases
Reviews (years of studies examined)	Studies^a	Findings^a	Average proportion of cases without crime (%)	Including cases without crimes (%)	Excluding cases without crimes (%)
Places (1978–2015)	26/19	428/310	73.6	64.2	42.4
Offenders (1950–2014)	15/27	154/288	73.0	65.6	41.3
Victims (1977–2014)	20/20	397/359	82.9	73.8	34.8

^aFirst figure indicates the number of studies or finding where both crime-involved cases and uninvolved cases were examined. The second number of studies or findings where only the crime-involved cases were examined

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