Fig 1.
Number of physicians and radiologists in Japan.
Fig 2.
Number of radiologists per 100,000 population, classified by municipality type.
“Metropolis” includes all the wards (ku) of the ordinance-designated cities (seirei-shitei-toshi), as well as 23 special wards of Tokyo (n = 171). “City” includes the other cities (shi) (n = 756); “town/village” includes towns (cho) and villages (son) (n = 884).
Table 1.
Gini coefficient of the number of radiologists among municipalities.
Fig 3.
Gini coefficient of the number of radiologists and diagnostic device utilizations.
Gini coefficients of diagnostic devices were excerpted from a previous study [2].
Fig 4.
Number of radiologists per 1,000 CT and MRI utilizations.
Fig 5.
Number of radiologists per 1,000 CT utilizations, classified by municipality type.
Fig 6.
Number of radiologists per 1,000 MRI utilizations, classified by municipality type.
Fig 7.
Population, population density (7A), number of radiologists per 100,000 population (7B), number of radiologists per 1,000 CT utilizations (7C), and number of radiologists per 1,000 MRI utilizations (7D) in each municipality in 2011.
Quintile points of all values were used as cut-offs for color change.
Fig 8.
Number of institutions using teleradiology.
Fig 9.
Proportion of institutions using teleradiology.
Table 2.
Hospital characteristics associated with using teleradiology (n = 8,632).
Table 3.
Clinic characteristics associated with using teleradiology (n = 101,083).