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Table 4 Univariate statistics for the distances calculated between health services and census tracts

From: The approaches to measuring the potential spatial access to urban health services revisited: distance types and aggregation-error issues

Distance type

Mean

P10

Q1

Q2

Q3

P90

Euclidean distance (km)

19,663

5565

9922

17,304

27,023

37,480

Manhattan distance (km)

25,184

7004

12,517

21,756

34,369

48,587

Shortest network time (on foot) (min)

291.99

83.80

149.67

262.20

400.96

550.37

Shortest network time (by bicycle) (min)

94.53

27.20

48.22

84.33

130.65

177.92

Shortest network time (by public transit) (min)

79.09

32.57

48.92

72.30

101.16

131.89

Shortest network time (by car) (min)

23.10

8.83

14.40

21.84

30.54

38.89

  1. P10 10th percentile, Q1 lower quartile, Q2 median, Q3 upper quartile, P90 90th percentile