Table 1.

Characteristics of the groups included in the study.

	CSC	CMC	Control
N	18	14	9
Mean age (years)	54.3 ± 8.84	55.6 ± 10.44	53.3 ± 8.53
Female	6 (33.3%)	6 (42.8%)	5 (55.5%)
Ethnic origin	38% LA 5.5% ENS 5.5%M 51%ES	21% LA 79% ES	100% ES
Time from ICU
4-5 months	2
10-12 months	13
13-15 months	3

LA, Latin Americans; ENS, European non Spaniards; M, Moroccan; ES, European Spaniards.

CSC, convalescent of severe COVID-19; CMC, convalescent of mild COVID-19.