Table 1.
Characteristics of Delta and Omicron variant cases included in the study.
| Variables | Delta | Omicron | p-value | OR (CI 95%) |
|---|---|---|---|---|
| N | 157 | 159 | ||
| Age, median (IQR), years | 35 (24–46) | 38 (26–51) | 0.136 | |
| Male sex, n (%) | 81 (51.5) | 67 (42.1) | 0.114 | 0.380 (−0.087–0.849) |
| Symptoms | ||||
| Cough, n (%) | 96 (61.1) | 86 (54.0) | 0.213 | 0.289 (−0.182–0.762) |
| Headache, n (%) | 89 (56.6) | 66 (41.5) | 0.010 | 0.610 (0.142–1.083) |
| Runny nose, n (%) | 79 (50.3) | 58 (36.4) | 0.017 | 0.566 (0.093–1.042) |
| Fever, n (%) | 75 (47.7) | 61 (38.3) | 0.112 | 0.384 (−0.087–0.857) |
| Sore throat, n (%) | 54 (34.3) | 62 (38.9) | 0.416 | −0.198 (−0.683–0.286) |
| Myalgia, n (%) | 34 (21.6) | 10 (6.2) | <0.001 | 1.411 (0.635–2.272) |
| Loss of taste, n (%) | 39 (24.8) | 14 (8.8) | <0.001 | 1.227 (0.539–1.966) |
| Loss of smell, n (%) | 29 (18.4) | 12 (7.5) | 0.004 | 1.018 (0.266–1.827) |
| Dyspnea, n (%) | 12 (7.6) | 15 (9.4) | 0.688 | −0.229 (−1.117–0.637) |
| Weakness, n (%) | 12 (7.6) | 9 (5.6) | 0.507 | 0.321 (−0.663–1.341) |
| Stuffy nose, n (%) | 6 (3.8) | 2 (1.2) | 0.172 | 1.134 (−0.607–3.464) |
| O2 saturation <95%, n (%) | 5 (3.1) | 4 (2.5) | 0.749 | 0.242 (−1.315–1.879) |
| Diarrhea, n (%) | 4 (2.5) | 8 (5.0) | 0.378 | −0.704 (−2.238–0.638) |
| Respiratory distress, n (%) | 4 (2.5) | 6 (3.7) | 0.750 | −0.404 (−1.997–1.057) |
| Vomiting, n (%) | 2 (1.2) | – | 0.246 | – |
| Arthralgia, n (%) | 1 (0.6) | 1 (0.6) | 1.000 | 0.013 (−4.356–4.381) |
| Asymptomatic, n (%) | 12 (7.6) | 30 (18.8) | 0.004 | −1.030 (−1.836–−0.283) |
| Hospitalization, n (%) | 5 (3.8) | 5 (3.2) | 1.000 | 0.154 (−1.340–1.647) |
| Death, n (%) | – | 1 (0.6) | 1.000 | – |
Significant associations are in bold.