Table 1.

Pre-existing conditions, acute medical treatment, and duration since infection at the time points of presentation (n = number of patients).

		N	%
Pre-Existing Conditions
Chronic lung disease (n = 919)	existing	132	14.4%
Mental disorders (n = 914)	existing	125	13.7%
Chronic pain (n = 912)	existing	46	5.0%
Coronary artery disease (n = 912)	existing	49	5.1%
Chronic heart failure (n = 913)	existing	40	4.2%
Coagulation disorder (n = 913)	existing	27	3.0%
Acute medical treatment
Inpatient treatment (n = 952)	no	711	75.8%
	yes	148	15.5%
	yes, with ICU	82	8.6%
Duration since infection at the time points of presentation
Duration since infection (1st presentation)	3–6 Mon	249	26.2%
	6–9 Mon	250	26.3%
	9–12 Mon	178	18.7%
	12–15 Mon	149	15.7%
	15–18 Mon	81	8.5%
	18–24 Mon	42	4.4%
	>24 Mon	3	0.3%
Duration since infection (1st re-presentation)	3–6 Mon	1	0.3%
	6–9 Mon	67	17.7%
	9–12 Mon	97	25.6%
	12–15 Mon	99	26.1%
	15–18 Mon	66	17.4%
	18–24 Mon	46	12.1%
	>24 Mon	3	0.8%
Duration since infection (2nd re-presentation)	3–6 Mon	0	0.0%
	6–9 Mon	0	0.0%
	9–12 Mon	8	6.2%
	12–15 Mon	39	30.2%
	15–18 Mon	40	31.0%
	18–24 Mon	33	25.6%
	>24 Mon	9	7.0%