Table 2.

Characteristics of the included patients, according to the timing of admission

	Hospitalised before symptom onset	Hospitalised after symptom onset	All patients
Median age	79 years	64 years	68 years
Male sex	52%	62%	61%
White ethnicity	63%	57%	59%
Asian ethnicity	3%	7%	7%
Black ethnicity	1%	2%	2%
Number of comorbidities	1.0/patient	1.2/patient	1.0/patient