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Table 1 Coverage using population density or aggregated municipality incidence data, for various HEMS target times, in greenfield scenario

From: Comparing population and incident data for optimal air ambulance base locations in Norway

Data used

Time threshold

Target coverage

Number of bases needed

Percentage of population covered

Percentage of incidents covered

Population

45

90%

5

93.32

78.31

Population

45

95%

6

96.29

83.55

Population

45

100%

10

100.00

100.00

Incidents

45

90%

7

96.18

94.73

Incidents

45

95%

8

98.22

97.91

Incidents

45

100%

10

100.00

100.00

Population

30

90%

9

91.97

69.30

Population

30

95%

12

96.36

81.88

Population

30

100%

22

100.00

100.00

Incidents

30

90%

14

93.81

92.04

Incidents

30

95%

16

94.76

96.27

Incidents

30

100%

22

100.00

100.00