Skip to main content

Table 12 Distribution of each variable

From: The effect of the development of an emergency transfer system on the travel time to tertiary care centres in Japan

Variables

Mean

Median

SD

Populationa

2716744.68

1769000.00

2571553.95

Average travel time (minutes)

57.76

55.52

20.42

Pavement ratio (%)b

28.13

25.60

12.34

Size(km2)c

7739.15

5761.00

11701.22

Kilometres of general roadb

23913.19

19448.00

14270.90

Kilometres of express roadb

153.15

133.00

100.63

Mountain area(km2)d

4900.64

3820.00

5994.43

Total kilometres of all roadsb

25161.57

23167.00

15144.02

Road area (km2)b

150.81

136.43

104.14

Kilometres of impassable roadb

3495.96

2343.00

3741.87

Maintenance ratio of general road (%)b

53.94

53.30

0.12

Number of tertiary care centrese

3.72

3.00

3.58

Number of fire stationsf

96.66

78.00

82.14

Percentage of emergency teamf with EMT to all emergency teams (%)

70.34

71.30

16.47

Number of ambulancesf

119.91

94.00

74.75

Number of emergency teamsf

100.23

79.00

60.13

Number of emergency teams with EMTf

73.17

50.00

53.85

Number of EMTf

 

189.00

249.91

Number of emergency crewf

1232.68

968.00

743.49

Number of emergency medical specialistse

41.11

21.00

54.00

Number of tertiary hospitalsg

4.32

3.00

3.64

Number of secondary hospitalsg

76.49

52.00

65.85

Number of primary hospitalsg

36.91

28.00

30.88

  1. N = 47 for all variables. EMT, emergency medical technician.
  2. aMinistry of Internal Affairs and Communications, Statistics Bureau 2004.
  3. bNational Land and Transportation Ministry 2003.
  4. cGeographic Institute Survey 2005.
  5. dNational Land and Transportation Ministry 1983.
  6. eJapanese Association for Acute Medicine, as of February 2005.
  7. fFire and Disaster Management Agency, Ministry of Internal Affairs and Communications 2004.
  8. gSurvey of Health Care Facility, 2002 Ministry of Health, Labour and Welfare.