Table 1.

Sociodemographic data and relevant medical history

	Total sample n = 121	Mild subgroup n = 49	Moderate subgroup n = 48	Severe subgroup n = 24
Mean age in years (± SD) [range]	56.69 (± 10.41) [35–78]	54.86 (± 8.78) [35–71]	55.85 (± 10.40) [36–75]	62.08 (± 12.03) [38–78]
Mean education level [1–3]a (± SD)	2.65 (± 0.54)	2.76 (± 0.43)	2.63 (± 0.61)	2.50 (± 0.59)
Sex (% woman)	32.23	34.69	35.42	20.83
Mean days of hospitalization (± SD)	—	—	11.89 (± 11.89)	40.13 (± 32.07)
Mean days between infection and assessment (± SD)	222.46 (± 42.93)	215.98 (± 35.79)	223.65 (± 50.50)	233.04 (± 38.69)
Diabetes (%)	8.26	2.04	8.33	20.83
Smoking (%)	6.61	12.24	2.08	4.20
History of respiratory disorders (%)	14.88	12.24	12.50	25.00
History of cardiovascular disorders (%)	16.53	12.24	16.67	25.00
History of neurological disorders (%)	0	0	0	0
History of psychiatric disorders (%)	3.31	4.08	2.08	4.20
History of cancer (%)	0	0	0	0
History of severe immunosuppression (%)	0	0	0	0
History of developmental disorders (%)	0	0	0	0
Chronic renal failure (%)	1.65	0	0	8.30
Sleep apnea syndrome (%)	14.88	8.16	14.58	29.20

Note. Mild: patients not hospitalized for SARS-CoV-2 infection; Moderate: patients hospitalized without mechanical ventilation for SARS-CoV-2 infection; ns: not significant; Severe: patients hospitalized in intensive care with mechanical ventilation for SARS-CoV-2 infection; SD: standard deviation.

^aLevel 1 is equivalent to the compulsory Swiss scholarship (<11 years of study); level 2 is equivalent to a vocational diploma (11–12 years of study); and level 3 is equivalent to Matura level and higher education (>12 years of study).