Table 3

Risk factors for in-hospital mortality from patients with COVID-19

VariableDead|aliveHR (95% CI)*P value*
Age (per year increase)1.03 (1.02 to 1.04)≤0.0001
 <5063|376Reference
 ≥5093|1572.88 (2.09 to 3.98)≤0.0001
Gender
 Female62|289Reference
 Male94|2441.86 (1.34 to 2.57)≤0.0001
Comorbidities
 No98|462Reference
 Yes58|712.56 (1.84 to 3.55)≤0.0001
Number of comorbid conditions
 098|462Reference
 130|412.49 (1.65 to 3.75)≤0.0001
 >128|302.64 (1.72 to 4.04)≤0.0001
Types of comorbid conditions:
Hypertension only
 No123|500Reference
 Yes10|83.19 (1.67 to 6.08)≤0.0001
Hypertension with other comorbidities
 No123|500Reference
 Yes33|332.52 (1.70 to 3.71)≤0.0001
Hypertension with diabetes
 No138|516Reference
 Yes18|172.39 (1.45 to 3.96)0.001
Diabetes only
 No123|499Reference
 Yes11|142.34 (1.26 to 4.35)0.007
Diabetes with other comorbidities
 No123|499Reference
 Yes33|342.52 (1.7 to 3.72)≤0.0001
Treatment details:
Any treatment
 No treatment3|85Reference
 Yes153|4484.46 (1.41 to 14.07)0.011
Only HCQ
 No treatment3|85Reference
 Yes1|350.17 (0.014 to 2.13)0.173
Only azithromycin
 No treatment3|85Reference
 Yes13|2240.95 (0.25 to 3.51)0.941
Azithromycin+HCQ
 No treatment3|85Reference
 Yes131|1787.75 (2.45 to 24.49)≤0.0001
Azithromycin+steroids
 No treatment3|85Reference
 Yes67|1315.70 (4.86 to 50.71)≤0.0001
Azithromycin+lopinavir–ritonavir
 No treatment3|85Reference
 Yes7|611.90 (2.98 to 47.52)≤0.0001
Azithromycin+oseltamivir
 No treatment3|85Reference
 Yes119|4015.35 (4.85 to 48.56)≤0.0001
Symptoms at the time of presentation
 No6|68Reference
 Yes150|4653.21 (1.41 to 7.26)0.005
Severe acute respiratory infection
 No94|419Reference
 Yes62|1141.75 (1.26 to 2.43)0.001
Respiratory support
 No89|520Reference
 Yes67|135.70 (4.14 to 7.84)≤0.0001
  • *HR calculated using univariate analysis.

  • HCQ, hydroxychloroquine.