Association between regional critical care capacity and the incidence of invasive mechanical ventilation for coronavirus disease 2019: a population-based cohort study

Table 4 Association between the four indicators of regional critical care capacity and the three study outcomes

Number of regional critical care capacity per 100,000 population	Outcomes
	Incidence of IMV per 100,000 COVID-19		Incidence of ECMO per 100,000 COVID-19		Risk-adjusted mortality (%)
	Coef. (95% CI)	P-value	Coef. (95%CI)	P-value	Coef. (95%CI)	P-value
ICU beds	5.37 (1.99, 8.76)	0.003	0.20 (− 0.25, 0.65)	0.383	− 0.95 (− 2.41, 0.51)	0.196
HDU beds	0.76 (− 1.47, 2.99)	0.497	− 0.13 (− 0.39, 0.14)	0.350	− 0.48 (− 1.36, 0.40)	0.276
Resource-rich ICU beds	7.27 (1.61, 12.9)	0.013	0.22 (− 0.51, 0.95)	0.552	0.01 (− 2.39, 2.41)	0.994
Intensivists	13.12 (3.48, 22.76)	0.009	0.71 (− 0.54, 1.95)	0.258	1.23 (− 2.88, 5.34)	0.551

ICU intensive care unit; HDU high-dependency care unit; IMV invasive mechanical ventilation; COVID-19 coronavirus disease 2019; ECMO extracorporeal membrane oxygenation; CI confidence interval

ISSN: 2052-0492