Table 2. Population-adjusted number of cardiac rehabilitation personnel per 100,000 population in each of 47 prefectures.

	Minimum	Median (IQR)	Maximum	Regional disparity Maximum/minimum
Number of registered instructors of cardiac rehabilitation per 100,000 population	1.9	3.4 (2.8–4.8)	8.5	4.5
Number of board- certified physiatrists per 100,000 population	0.9	2.0 (1.6–2.7)	4.8	5.3
Number of board- certified cardiologists per 100,000 population	6.4	11.0 (9.2–12.7)	17.9	2.8

IQR: Interquartile range.