Table 5.
Univariate analysis: characteristics by status (Covid-19 positive vs. negative)
|
Total N = 522 |
Positive N = 30 |
Negative N = 492 |
P value | ||||
|---|---|---|---|---|---|---|---|
| N | % | N | % | N | % | ||
| ≥ 60 years | 253 | 48.5 | 17 | 56.7 | 236 | 48.0 | 0.355 |
| Sex (male) | 117 | 22.4 | 6 | 20.0 | 111 | 22.6 | 0.744 |
| BMI ≥ 30 kg/m2 | 341 | 65.3 | 16 | 53.3 | 325 | 66.1 | 0.155 |
| BMI ≥ 35 kg/m2 | 234 | 44.8 | 10 | 33.3 | 224 | 45.5 | 0.192 |
| Comorbidities | |||||||
| COPD | 35 | 6.7 | 2 | 6.7 | 33 | 6.7 | 0.993 |
| OSAS | 105 | 20.1 | 3 | 10.0 | 102 | 20.7 | 0.155 |
| B-PAP/C-PAP | 35 | 6.7 | 1 | 3.3 | 34 | 6.9 | 0.447 |
| Hypertension | 166 | 31.8 | 11 | 36.7 | 155 | 31.5 | 0.556 |
| Diabetes (any) | 65 | 12.5 | 5 | 16.7 | 60 | 12.2 | 0.471 |
| Diabetes/Oral hypoglycemic | 62 | 11.9 | 5 | 16.7 | 57 | 11.6 | 0.404 |
| Diabetes/Insulin | 11 | 2.1 | 0 | – | 11 | 2.2 | 0.408 |
| Hypertriglyceridemia | 64 | 12.3 | 6 | 20.0 | 58 | 11.8 | 0.183 |
| Hypercholesterolemia | 127 | 24.3 | 11 | 36.7 | 116 | 23.6 | 0.105 |
| Smoking | 147 | 28.2 | 8 | 26.7 | 139 | 28.3 | 0.851 |
| Surgery (non-bariatric) | 376 | 72.0 | 25 | 83.3 | 351 | 71.3 | 0.155 |
| Previous pneumonia | 57 | 10.9 | 6 | 20.0 | 51 | 10.4 | 0.100 |
| Autoimmune diseases | 39 | 7.5 | 6 | 20.0 | 33 | 6.7 | 0.007 |
| Malignancies | 30 | 5.7 | 1 | 3.3 | 29 | 5.9 | 0.558 |
| Immune deficiencies | 15 | 2.9 | 1 | 3.3 | 14 | 2.8 | 0.877 |
| Therapy | |||||||
| ACE-inhibitors | 75 | 14.4 | 7 | 23.3 | 68 | 13.8 | 0.149 |
| Hydroxychloroquine | 2 | 0.4 | 0 | – | 2 | 0.5 | 0.726 |
| Steroids | 19 | 3.6 | 2 | 6.7 | 17 | 3.5 | 0.362 |
| Vaccine | |||||||
| Seasonal Flu, 2019–2020 | 119 | 22.8 | 6 | 20.0 | 113 | 23.0 | 0.707 |
| Seasonal Flu, any | 170 | 32.6 | 6 | 20.0 | 164 | 33.3 | 0.130 |
| BCG | 78 | 14.9 | 7 | 23.3 | 71 | 14.4 | 0.184 |
| Pneumonia, any | 44 | 8.4 | 3 | 10.0 | 41 | 8.3 | 0.750 |
BMI Body Mass Index; COPD Chronic Obstructive Pulmonary Disease; OSAS Obstructive Sleep Apnea Syndrome; BCG Bacillus Calmette–Guérin