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

Table 3 Distribution of size (km²) and extreme values

Prefecture	Minimum (km²)	Prefecture	Maximum (km²)
Kagawa	1862	Akita	11434
Osaka	1894	Nagano	12374
Tokyo	2102	Fukushima	13783
Toyama	2132	Iwate	15279
Okinawa	2274	Hokkaido	83455
Mean	7739.149	SD	11701
Median	5761.000	Variance	136918475
Mode		Range	81593
		Interquartile range	3299

ISSN: 1476-072X