Table 3.
Clinical and metadata of the Omicron and Delta infected patients. Statistics for ages were calculated by t test and all other statistics were calculated by Chi-squared test.
| Omicron | Delta | ||||
|---|---|---|---|---|---|
| Total | 1121 | 910 | P | ||
| Collection range | 11/25/2021 to 12/31/21 | % | 11/22/21 to 12/31/21 | % | |
| Fully Vaccinated (No booster) | 461 | 41.1 | 282 | 31.0 | < 0.00001 |
| Booster | 134 | 12.0 | 83 | 9.1 | 0.04 |
| Partially vaccinated | 38 | 3.4 | 27 | 3.0 | |
| Symptomatic | 1037 | 92.5 | 837 | 92.0 | 0.7 |
| Asymptomatic | 84 | 7.5 | 72 | 7.9 | |
| Age, median (stdev) | 32 (18.5) | 35 (23.4) | 0.001 | ||
| Comorbidities | |||||
| Hypertension | 242 | 21.6 | 283 | 31.1 | < 0.00001 |
| Pregnancy | 84 | 7.5 | 53 | 5.8 | 0.2 |
| Lung Disease | 225 | 20.1 | 206 | 22.6 | 0.2 |
| Kidney Disease | 69 | 6.2 | 126 | 13.8 | < 0.00001 |
| Immunosuppression | 121 | 10.8 | 156 | 17.1 | 0 |
| Diabetes | 106 | 9.5 | 138 | 15.2 | 0.0001 |
| Heart Failure | 29 | 2.6 | 62 | 6.8 | < 0.00001 |
| Atrial Fibrilation | 17 | 1.5 | 46 | 5.1 | < 0.00001 |
| Smoker | 115 | 10.3 | 142 | 15.6 | 0.0004 |
| Cerebrovascular Disease | 46 | 4.1 | 69 | 7.6 | 0.001 |
| Cancer | 251 | 22.4 | 208 | 22.9 | 0.8 |
| Coronary Artery Disease | 85 | 7.6 | 151 | 16.6 | < 0.00001 |
| Outcome | |||||
| COVID Related Admission | 34 | 3.0 | 126 | 13.8 | < 0.00001 |
| ICU Level Care | 6 | 0.5 | 32 | 3.5 | < 0.00001 |
| Died | 1 | 0.1 | 10 | 1.1 | 0.004 |