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Table 5 Differences between the conventional and the optimized 2SFCA methods

From: Optimizing the two-step floating catchment area method for measuring spatial accessibility to medical clinics in Montreal

Bandwidth

 

t-test

Percentiles

 

Mean

p-value

5%

10%

25%

50%

75%

90%

95%

500 m

1.21

0.004

-8.25

-4.31

-1.03

1.02

3.74

7.53

10.55

1 Km

1.56

<.0001

-4.05

-2.06

0.09

1.68

3.45

5.42

7.55

2 Km

14.56

<.0001

-1.97

2.12

6.65

13.85

22.25

30.09

33.95

3 Km

1.82

<.0001

-9.62

-6.98

-3.49

2.45

7.20

12.51

14.22