Table 1.
Characteristics of the population under study.
| Variable | Frequency a | Mean b | |
|---|---|---|---|
| Age (years) | 48.95 [48.23–49.67] |
||
| Sex | Male | 64.0% (994) | |
| Female | 36.0% (558) | ||
| Weight (kg) | 72.41 [71.66–73.18] |
||
| Height (m) | 1.66 [1.65–166] |
||
| BMI (m/kg2) | 26.28 [26.04–26.51] |
||
| BMI Category | Underweight | 1.5% (24) | |
| Normal | 41.3% (642) | ||
| Overweight | 37.4% (581) | ||
| Class 1 Obesity | 15.0% (233) | ||
| Class 2 Obesity | 3.2% (50) | ||
| Severe obesity (Class 3) | 1.5% (23) | ||
| Systolic Arterial Blood Pressure (mmHg) | 126.01 [125.17–126.85] |
||
| Diastolic Arterial Blood Pressure (mmHg) | 80.23 [79.73–80.73] |
||
| Peripheral oxygen saturation (%) | 97.75 [97.71–97.80] |
||
| Blood Type (N = 631) |
0 + | 31.7% (200) | |
| 0 − | 8.4% (53) | ||
| A + | 41.5% (262) | ||
| A − | 7.8% (49) | ||
| B + | 5.2% (33) | ||
| B − | 2.2% (14) | ||
| AB + | 2.7% (17) | ||
| AB − | 0.5% (3) | ||
| Smoking status (N = 1501) |
Current smoker | 18.9% (284) | |
| Former smoker | 24.5% (368) | ||
| Never smoker | 56.6% (849) | ||
| SARS-CoV-2 Infection c | Yes | 32.6% (505) | |
| No | 67.4% (1046) | ||
a For categorical variables, values are expressed as % (n). b For continuous variables, values are expressed as mean [95% Confidence Interval]. c These results are highlighted in bold according to the goals of this study.