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

Table 1 Distribution of average travel time and extreme values

Prefecture	Minimum (min)	Prefecture	Maximum (min)
Tokyo	17.0189	Akita	86.5952
Osaka	24.1818	Kochi	86.6596
Kanagawa	31.0000	Kagoshima	93.1228
Aichi	31.1319	Wakayama	96.2979
Shiga	31.2424	Hokkaido	100.5094
Mean (min)	57.76065	SD	20.42122
Median (min)	55.51724	Variance	417.0262
Mode		Range	83.49057
		Interquartile range	32.09164

ISSN: 1476-072X