Table 2.
Logistic regression analysis of deaths among hospitalized patients infected by the Omicron and Delta Variants. Showing Odds Ratios† (95% confidence intervals)
| Variables | COVID-attributed Deaths | All-Cause Deaths | ||
|---|---|---|---|---|
| In-hospital | In-hospital + ≤ 30 days of discharge | In-hospital | In-hospital + ≤ 30 days of discharge | |
| Age group ( > = 60 vs. <60) | 13.10 (3.71, 83.60) | 8.04 (3.06, 27.75) | 17.46 (5.05, 110.51) | 9.66 (4.06, 28.70) |
| Immunocompromised (Yes vs. No) | 2.58 (0.87, 7.02) | 1.90 (0.68, 4.77) | 2.80 (1.03, 7.08) | 2.26 (0.95, 5.06) |
| Diabetes Mellitus (Yes vs. No) | 1.77 (0.74, 4.09) | 1.36 (0.64, 2.81) | 2.15 (1.01, 4.51) | 1.67 (0.90, 3.04) |
| Hypertension (Yes vs. No) | 0.37 (0.16, 0.83) | 0.42 (0.21, 0.85) | 0.39 (0.18, 0.80) | 0.61 (0.34, 1.09) |
| Other underlying diseases (Yes vs. No) | 1.32 (0.59, 2.90) | 1.43 (0.72, 2.80) | 1.32 (0.64, 2.67) | 1.77 (1.0, 3.13) |
| Reason of admission (Other vs. COVID-19) | 0.14 (0.022, 0.48) | 0.31 (0.11, 0.71) | 0.67 (0.29, 1.47) | 0.98 (0.53, 1.78) |
| Positive RT-PCR test before admission‡ (Yes vs. No) | 2.04 (0.91, 4.50) | 1.46 (0.70, 2.95) | 2.17 (1.03, 4.51) | 1.65 (0.87, 3.06) |
| Variant (Delta vs. Omicron) | 0.82 (0.34, 1.87) | 0.67 (0.31, 1.39) | 0.86 (0.39, 1.83) | 0.59 (0.30, 1.10) |
| Vaccinated (≥1 vs. 0 doses) | 1.38 (0.60, 3.14) | 1.21 (0.59, 2.45) | 1.33 (0.63, 2.78) | 1.09 (0.60, 1.96) |
† Odds Ratios stratified by whether death was attributed to COVID-19 and whether death occurred during hospitalization. Results with statistical significance are bolded
‡ Positive RT-PCR test before admission vs. after admission correspond to days from RT-PCR + to admission > 0 vs. ≤0