Figure and Table | Regional Variations in Coronavirus Disease 2019 Mortality in Japan: An Ecological Study

Table 1. COVID-19 Mortality Index and Regional Characteristics (Japan).

	Overall	Less populated group (<1.6 million) (n = 24)	More populated group (≥1.6 million) (n = 23)	p-value
COVID-19 mortality index, mean (SD)	12.7 (4.0)	14.0 (4.9)	11.4 (3.0)	0.026^※
Number of physicians per hospital bed, mean (SD)	0.21 (0.04)	0.19 (0.03)	0.23 (0.05)	0.002^※
Number of physicians per 10,000 population, mean (SD)	27.4 (4.3)	28.7 (3.6)	26.1 (4.7)	0.038^※
Number of hospital beds per 10,000 population, mean (SD)	137 (35)	156 (30)	119 (28)	<0.001^※
Number of LTCF per 10,000 population, mean (SD)	4.29 (1.4)	5.12 (1.3)	3.42 (1.0)	<0.001^※
Aging rate (≥65 y) (%), mean (SD)	30.7 (3.1)	32.3 (3.0)	29.1 (2.4)	<0.001^※

Table 2. Association between Regional Characteristics and COVID-19 Mortality Index in All the 47 Prefectures.

Variables	Univariable		Multivariable^※※
Variables	Correlation coefficient	p-value	Beta	p-value
Number of physicians per hospital bed	−0.386	0.007^※	−0.053	0.805
Number of LTCF per 10,000 population	0.397	0.006^※	0.099	0.643
Aging rate (≥65 y) (%)	0.471	0.001^※	0.362	0.094

Table 3. Association between Regional Characteristics and COVID-19 Mortality Index According to Population Size.

Variables	Univariable		Multivariable^※※
Variables	Correlation coefficient	p-value	Beta	p-value
Less populated group (<1.6 million) (n = 24)
Number of physicians per hospital bed	−0.611	0.002^※	−0.543	0.024^※
Number of LTCF per 10,000 population	0.352	0.091	−0.231	0.304
Aging rate (≥65 y) (%)	0.601	0.002^※	0.434	0.032^※
More populated prefectures (≥1.6 million) (n = 23)
Number of physicians per hospital bed	−0.041	0.852	−0.139	0.628
Number of LTCF per 10,000 population	0.098	0.656	0.293	0.409
Aging rate (≥65 y) (%)	−0.053	0.811	−0.432	0.334