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. 2022 Oct 29;537:140–145. doi: 10.1016/j.cca.2022.10.013

Table 1.

Demographic and clinical characteristics of study participantsa.

Group1 (n = 79)
Group 2 (n = 123)
P-value
Group 3 (n = 24)
% % Group 2
vs Group 1
%
Age 75.6 ± 14.0 75.4 ± 11.2 0.223 45.1 ± 14.1
Male 42 53.2 85 69.1 0.112 20 83.3
Comorbidities
Hypertension 30 38.0 60 48.8 0.554 0 0
Cardiovascular diseases 20 25.3 26 21.1 0.100 0 0
Diabetes 11 13.9 31 25.2 0.282 0 0
Respiratory diseases 8 10.1 6 4.9 0.255 0 0
Cancer 2 2.5 9 7.3 0.317 0 0
Sepsis 3 3.8 6 4.9 0.716 0 0
Kidney diseases 15 19.0 14 11.4 0.335 0 0
Obesity 5 6.3 14 11.4 <0.001 0 0
Treatments
CPAP 17 21.5 60 48.8 0.307 0 0
Intubation 4 5.1 22 17.9 <0.001 0 0
Tracheostomy 1 1.3 3 2.4 <0.001 0 0
a

Group1: mild COVID-19; Group 2: severe COVID-19; Group 3: healthy subjects.