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Table 1 Characteristics of the study population according to oxygen flow requirement

From: Epicardial adipose tissue and severe Coronavirus Disease 19

  Available data Total population O2 < 6 l/min O2\(\ge\) 6 l/min p
n 100 65 35
Age (years) 100 61.7 ± 16.2 58.7 ± 15.8 67.5 ± 15.5 0.004
Sex (male) 100 63 (63.0) 37 (56.9) 26 (74.3) 0.09
Ethnicity 100     
 Caucasian   32 (32) 17 (26) 32 (32)  
 Arabic   14 (14) 12 (18) 14 (6)  
 Afro-Caribbean   34 (34) 23 (35) 11 (31)  
 Asian   14 (14) 11 (17) 3 (9)  
 Other   6 (6) 2 (3) 4 (11) 0.08
Body mass index (kg/m2) 99 28.9 ± 6.26 29.2 ± 6.1 28.5 ± 6.6 0.85
Waist circumference (cm) 91 105.3 ± 16.2 103.5 ± 17.7 109.8 ± 10.9 0.01
Comorbidities
 Obesity 99 47 (47) 31 (47.7) 16 (45.7) 0.39
 Hypertension 100 54 (54) 31 (47.7) 23 (65.7) 0.09
 Diabetes 100 42 (42) 24 (36.9) 18 (51.4) 0.16
 Cardiovascular disease 99 17 (17.2) 9 (14.1) 8 (22.9) 0.28
 Lung disease 96 5 (5.2) 3 (4.7) 2 (6.1) 0.79
Biological parameters
 White cells (*103/µl) 100 7.1 ± 2.8 7.0 ± 2.9 7.2 ± 2.6 0.55
 C-reactive protein (mg/dl) 100 82.3 ± 85.4 72.8 ± 83.4 100.0 ± 87.5 0.06
 Procalcitonin (µg/l) 97 0.7 ± 2.3 0.47 ± 1.7 0.99 ± 3.0 0.07
 Ferritinemia (ng/ml) 86 1128 ± 2157 723 ± 735 1812 ± 3326 0.003
 d-Dimers (ng/ml) 97 1629 ± 2352 1353 ± 1366 2119 ± 3447 0.06
 Albuminemia (g/l) 89 33.4 ± 5.0 34.2 ± 4.7 32.0 ± 5.2 0.06
Computed tomography parameters
 ≥ 25% lung involvement 99 18 (18.2) 7 (10.8) 11 (32.4) 0.01
 ≥ 50% lung involvement 99 6 (6.1) 2 (3.1) 4 (11.8) 0.03
 EAT volume (cm3) 100 114 ± 50 104 ± 40 132 ± 62 0.02
  1. Data are n (%) or mean ± standard deviation or n (%); p-values < 0.05 are identified in bold case
  2. EAT epicardial adipose tissue