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. 2023 Dec 18;38(1):550. doi: 10.4102/sajid.v38i1.550

TABLE 2.

Factors associated with in-hospital mortality.

Covariable In-hospital mortality
Multivariable Cox model
Deceased (n = 172) Alive (n = 332) aHR 95% confidence interval p-value
Viral variant: - Omicron 34 (19.8%) 98 (29.5%) 0.43 028–0.67 < 0.001
Seat - Male 83 (48.3%) 154 (46.4%) 1.14 084–1.54 0.415
Age 58.6 [48.2–6 6.2] 52.7(42.5–62.3) 1.03 1.01–1.04 < 0.001
HIV infection 23 (13.4%) 29 (8.7%) 1.81 1.14–2.88 0.012
Hypertension 100 (58.1%) 159 (47.9%) 0.97 0.69–1.37 0.873
Diabetes mellitus 76 (44.2%) 119 (35.8%) 1.25 0.91–1.71 0.162
Chronic kidney disease 33 (19.2%) 31 (93%) 1.84 1.18–2.87 0.007
Vaccination status
 Unvaccinated 70 (40.7%) 151 (45.5%) Ref Ref Ref
 Vaccinated 11 (6.4%) 28 (8.4%) 0.80 0.41–1.55 0.508
 Status not recorded 91 (52.9%) 153 (46.1%) 0.92 0.67–1.28 0.636

Cox proportional hazards analysis of risk factors for mortality at 28 days after admission. Cardiovascular disease is a composite variable consisting of hypertension, diabetes, and renal disease. aHR, adjusted Hazard Ratio; Ref, Reference category.