Table I.
Clinical features of 789 individuals who donated blood between February 24th and April 8th 2020 stratified by the presence of anti-SARS-CoV-2 antibodies
| Characteristics | SARS-CoV-2 antibodies | p* | |
|---|---|---|---|
| Present | Absent | ||
| N | 40 (5.1%) | 749 (94.9%) | |
| Age, years | 42.6±13.4 | 40.7±13.2 | 0.37 |
| Sex, F | 10 (25.0%) | 266 (35.6%) | 0.16 |
| Resident in Milan | 24 (60%) | 497 (66.4%) | 0.91 |
| Health-care profession, yes | 2 (5%) | 35 (5.1%) | 0.75 |
| BMI, kg/m2 | 25.5±3.3 | 24.3±3.7 | 0.040 |
| Arterial hypertension, yes | 2 (3.2%) | 60 (8.1%) | 0.76 |
| Smoking, active | 7 (17.5%) | 197 (27.3%) | 0.27 |
| ABO blood group, N (0/A/A1/AB/B), % | 16/16/0/2/6 (40/40/0/5/15) | 341/287/3/27/90 (45.6/38.4/0.4/3.6/12.0) | 0.92 |
| Week of outbreak, N | 4.5 [2–6] | 4.0 [2–5] | 0.10 |
| Lymphocytes, 103/mm3 | 1.94±0.54 | 1.91±0.52 | 0.70 |
| ALT, IU/L | 25.3±11.9 | 25.6±16.0 | 0.81 |
| GGT, IU/L | 24.3±20.0 | 18.2±13.1 | 0.090 |
Data are shown as mean±standard deviation, median [interquartile range].
*
At logistic regression analysis.
N: number (%) values; F: female; BMI: body mass index; ALT: alanine aminotransferases, GGT: gamma-glutamyl transferases.