Table 2.
Characteristics of COVID-19 symptoms by vaccination status.
| Variables | Vaccinated (n = 200) |
Unvaccinated (n = 2084) |
OR (95% CI) |
|---|---|---|---|
| Symptoms, n (%) | |||
| Fever | 82/176 (46.6) | 1077/1860 (58.9) | 0.63 (0.47–0.86) |
| Cough | 137/182 (75.3) | 1532/1938 (79.1) | 0.81 (0.57–1.15) |
| Sore throat | 33/159 (20.8) | 447/1710 (26.1) | 0.74 (0.50–1.10) |
| Dyspnea | 97/173 (56.1) | 1349/1914 (70.5) | 0.53 (0.39–0.73) |
| Respiratory discomfort | 77/172 (44.8) | 1028/1820 (56.5) | 0.62 (0.46–0.86) |
| Desaturation | 69/172 (40.1) | 1025/1840 (55.7) | 0.53 (0.39–0.73) |
| Diarrhea | 16/159 (10.1) | 189/1677 (11.3) | 0.88 (0.51–1.51) |
| Vomiting | 16/159 (10.1) | 202/1682 (12.0) | 0.82 (0.48–1.40) |
| Abdominal pain | 18/156 (11.5) | 164/1658 (9.9) | 1.19 (0.71–1.99) |
| Fatigue | 53/163 (32.5) | 590/1737 (34.0) | 0.94 (0.67–1.32) |
| Loss of smell | 33/160 (20.6) | 310/1682 (18.4) | 1.15 (0.77–1.72) |
| Loss of taste | 30/159 (18.9) | 287/1687 (16.8) | 1.15 (0.76–1.74) |
| Any respiratory symptom | 127/183 (69.4) | 1618/1979 (81.8) | 0.51 (0.36–0.71) |
| Any symptom | 178/194 (91.8) | 1980/2058 (96.2) | 0.44 (0.25–0.77) |
CI: confidence interval; n: number; OR: odds ratio.