Table 3. Predictors of death within 30 Days after COVID-19 test.

Variable	HRa (95% CI)	P-value
Region, COVID-19 test result
Central, negative	Reference group	-
Central, positive	5.27 (4.81, 5.78)	<0.001
Southwest, negative	0.77 (0.70, 0.84)	<0.001
Southwest, positive	5.64 (5.00, 6.39)	<0.001
East, negative	0.86 (0.78, 0.94)	0.002
East, positive	6.90 (6.24, 7.64)	<0.001
North, negative	0.73 (0.64, 0.82)	<0.001
North, positive	4.73 (3.32, 6.75)	<0.001
+ test interaction with time	1.06 (1.03, 1.08)	<0.001
Sex
Male	Reference group	-
Female	0.58 (0.55, 0.62)	<0.001
Age group
65–69 years	Reference group	-
70–74 years	1.16 (0.97, 1.38)	0.105
75–79 years	1.33 (1.12, 1.57)	0.001
80–84 years	1.53 (1.31, 1.79)	<0.001
≥85 years	2.00 (1.73, 2.32)	<0.001
CHESSb scale	1.13 (1.09, 1.16)	<0.001
Frailty index
Robust	Reference group	-
Pre-frail	1.44 (1.29, 1.61)	<0.001
Frail	2.06 (1.85, 2.29)	<0.001
Long-term care home ownership
Municipal	Reference group	-
Non-profit	1.06 (0.97, 1.16)	0.235
Private	1.25 (1.16, 1.35)	<0.001

^aHazard rate.

^bChanges in Health, End-stage disease and Symptoms and Signs.