Table 3.
Self-reported influenza-like illness symptoms and a COVID-19 diagnosis in patients with rheumatic diseases and household contacts at baseline
| Symptoms | All N = 9589 n (%) |
RD Patients N = 5164 n (%)** |
Household co-habitants N = 4378 n (%) * |
Difference (95% CI) |
p* |
|---|---|---|---|---|---|
| Any | 1822 (19.1) | 1135 (22) | 687 (15.7) | 6.3 (4.7; 7.9) | < 0.001 |
| Fatigue | 531 (5.6) | 328 (6.4) | 203 (4.6) | 1.8 (0.9; 2.7) | < 0.001 |
| Headache | 734 (7.7) | 453 (8.8) | 281 (6.4) | 2.4 (1.3; 3.5) | < 0.001 |
| Rhinorrhea | 976 (10.2) | 601 (11.6) | 375 (8.6) | 3.0 (1.8; 4.2) | < 0.001 |
| Dysgeusia | 242 (2.5) | 146 (2.8) | 96 (2.2) | 0.6 (0; 1.2) | 0.049 |
| Shortness of breath | 266 (2.8) | 188 (3.6) | 78 (1.8) | 1.8 (1.2; 2.4) | < 0.001 |
| Sore throat | 704 (7.4) | 455 (8.8) | 249 (5.7) | 3.1 (2.1; 4.1) | < 0.001 |
| Fever | 486 (5.1) | 276 (5.3) | 210 (4.8) | 0.5 (− 0.4; 1.4) | 0.225 |
| Anosmia | 209 (2.2) | 120 (2.3) | 89 (2) | 0.3 (− 0.3; 0.9) | 0.333 |
| Cough | 910 (9.5) | 579 (11.2) | 331 (7.6) | 3.6 (2.4; 4.8) | < 0.001 |
| Fever AND Shortness of breath | 123 (1.3) | 80 (1.9) | 43 (1.2) | 0.7 (0.2; 1,2) | 0.005 |
| Fever AND Cough AND Shortness of breath | 83 (0.9) | 53 (1.3) | 30 (0.8) | 0.5 (0.1; 0.9) | 0.034 |
| BMH COVID-19 criteria | 293 (3.1) | 169 (4.03%) | 124 (3.25%) | 0.78 (− 0.05; 1.60) | 0.065 |
Bold values indicate statistical significance (p < 0.05)
The results are expressed as means, standard deviation and percentages
BMH, Brazilian Ministry of Health
*There are 45 missing data; **There are 2 missing