Table 2 Factors associated with time to COVID-19 death among COVID-19 patients hospitalized in selected hospitals in Uganda in 2021
Variable | cHR [95% CI) | aHR [95% CI] | aTR |
|---|---|---|---|
Age | |||
 Age less than 60 years | 1 | 1 | 1 |
 Age greater than or equal to 60 years | 3.1 [2.3, 4.0] | 2.4 [1.7, 3.4] | 0.37 [0.24, 0.56] |
Sex | |||
 Female | 1 | 1 | 1 |
 Male | 1.1 [0.8, 1.4] | 1.1 [0.81, 1.6] | 0.98 [0.67, 1.4] |
Type of Hospital | |||
 Private/PNFP | 1 | 1 | 1 |
 Public | 0.4 [0.3, 0.6] | 0.52 [0.35, 0.78] | 2.5 [1.6, 3.9] |
Day of week admitted | |||
 Workday | 1 | 1 | 1 |
 Weekend | 1.2 [0.9, 1.6] | 1.1 [0.75, 1.6] | 0.92 [0.60, 1.4] |
COVID-19 Vaccination status | |||
 Not vaccinated | 1 | 1 | 1 |
 Vaccinated | 1.9 [0.7, 5.0] | 1.4 [0.43, 4.5] | 0.95 [0.20, 4.5] |
HIV | |||
 Negative | 1 | 1 | 1 |
 Positive | 1.2 [0.6, 2.3] | 1.2 [0.51, 2.6] | 1.2 [0.43, 3.1] |
Hypertension | |||
 Absent | 1 | 1 | 1 |
 Present | 1.8 [1.4, 2.3] | 0.93 [0.63, 1.4] | 0.96 [0.61, 1.5] |
Diabetes Mellitus | |||
 Absent | 1 | 1 | 1 |
 Present | 2.1 [1.6, 2.9] | 1.4 [0.96, 2.2] | 0.64 [0.39, 1.0] |
Tuberculosis | |||
 No | 1 | 1 | 1 |
 Yes | 0.7 [0.3, 1.7] | 2.2 [0.90, 5.3] | 0.35 [0.12, 1.0] |
Malaria test | |||
 Negative | 1 | 1 | 1 |
 Positive | 1.2 [0.8, 2.0] | 2.0 [1.0, 3.9] | 0.35 [0.16, 0.74] |
COVID-19 Severity Score | |||
 Mild | 1 | 1 | 1 |
 Moderate | 1.4 [0.5, 3.9] | 1.9 [0.42, 8.4] | 0.54 [0.12, 2.4] |
 Severe/critical | 6.0 [2.2, 16.5] | 6.7 [1.5, 29.1] | 0.13 [0.03, 0.56] |
Blood pressure stage at admission | |||
  < 140/< 90 | 1 | 1 | 1 |
 Stage II | 0.97 [0.57,1.66] | 0.77 [0.44, 1.3] | 1.5 [0.78, 2.7] |
 Stage III/IV | 2.0 [0.97,4.1] | 1.6 [0.78, 3.4] | 0.58 [0.24, 1.4] |
Tachycardia (PR > 100) | |||
  < =100 | 1 |  | 1 |
  > 100 | 1.6 [1.2,2.0] | 1.1 [0.80, 1.6] | 0.76 [0.51, 1.1] |