TABLE 2

Baseline characteristics

Mild/moderate COVID-19Severe/critical COVID-19
Subjects2426
Age years52 (47–56)66 (60–71)
Female20 (83)8 (31)
BMI kg·m−224.7 (22.0–29.8)26.9 (24.2–29.2)
Smoking status current/former/never/unknown2/5/10/71/19/6/0
Hospitalisation0 (0)26 (100)
Duration of hospitalisation daysNA37 (18–60)
ICU stay0 (0)22 (85)
Duration of ICU stay daysNA28 (15–40)
Oxygen therapy during hospitalisation0 (0)24 (92)
Mechanical ventilation during ICU stay0 (0)15 (58)
Duration of mechanical ventilation daysNA18 (11–43)
Duration between first positive PCR test and admission to pulmonary rehabilitation days178 (127–217)61 (40–108)
Duration between hospital discharge and admission to pulmonary rehabilitation daysNA18 (5–40)
Comorbidities prior to COVID-192 (2–4)3 (3–5)
 Arterial hypertension5 (21)16 (62)
 Dyslipidaemia3 (13)10 (38)
 Coronary heart disease1 (5)7 (27)
 Diabetes mellitus1 (5)6 (23)
 Chronic lung disease7 (30)5 (19)
 Obstructive sleep apnoea9 (38)9 (35)
 Chronic kidney disease0 (0)6 (23)
 Obesity5 (21)5 (19)
 Stroke0 (0)1 (4)

Data are presented as n, median (interquartile range) or median (%). COVID-19: coronavirus disease 2019; BMI: body mass index; ICU: intensive care unit; NA: not applicable.