Table 2.

Three specifications of the unit costs for hospitalisation (DKK)

Specification 1	DRG code	Unit cost (DKK)	Model states
Hospitalisation outside intensive care unit, patients 18 years old or older	18MA06	16,495	${\sum }_{i=1}^2\left({I_i^{H,3}-H}_i^C\right)$
Hospitalisation in an intensive care unit
Patients aged 18–59 years	04MA14	26,028	$0.2H_1^C$
Patients aged ≥60 years	04MA13	37,050	$0.2H_2^C$
Hospitalisation in respirator	26MP11	255,171	$0.8{\sum }_{i=1}^2{H}_i^C$
Specification 2	DRG code	Unit cost (DKK)
Hospitalisation outside intensive care unit, patients aged ≥18 years	18MA06	16,495	${\sum }_{i=1}^2\left({I_i^{H,3}-H}_i^C\right)$
Hospitalisation in an intensive care unit
Patients aged 18–59 years	04MA14	26,028	$0.2H_1^C$
Patients aged ≥60 years	04MA13	37,050	$0.2H_2^C$
Hospitalisation in respirator	26MP09	479,862	$0.8{\sum }_{i=1}^2{H}_i^C$
Specification 3	DRG code	Unit cost (DKK)
Hospitalisation outside intensive care unit, patients aged ≥18 years	18MA06	16,495	${\sum }_{i=1}^2\left({I_i^{H,3}-H}_i^C\right)$
Hospitalisation in an intensive care unit
Patients aged 18–59 years	04MA14	26,028	$0.2H_1^C$
Patients aged ≥60 years	04MA13	37,050	$0.2H_2^C$
Hospitalisation in respirator	04MA13	37,050	$0.8{\sum }_{i=1}^2{H}_i^C$
Number of persons diagnosed with COVID-19 and corresponding follow-up costs		146.25	$\mu E^1$
Tests		200	$\zeta \mu E^1$

Sources: [15, 24], and [25]

DKK Danish kroner, DRG diagnosis-related group