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Table 2 Independent mortality predictors among total sample (n = 3663): demographics and clinical characteristics

From: Developing a mortality risk prediction model using data of 3663 hospitalized COVID-19 patients: a retrospective cohort study in an Egyptian University Hospital

 

Mortality incidence

Adjusted HRa (95% CI)

P-value

% (deaths/total)

Age

 < 15

19.4 (32/165)

Ref

 

15–34

12.2 (61/498)

1.39 (0.90–2.14)

0.142

35–54

15.5 (141/912)

1.26 (0.85–1.85)

0.246

55–74

30.3 (490/1618)

1.80 (1.26–2.58)

0.001

 ≥ 75

52.8 (248/470)

2.74 (1.90–4.00)

 < 0.001

Gender

Female

25.8 (438/1698)

Ref

 

Male

27.2 (534/1965)

0.97 (0.85–1.11)

0.660

Tobacco use

Never

25.7 (877/3419)

Ref

 

Former

37.8 (28/74)

0.83 (0.56–1.22)

0.333

Current

39.4 (67/170)

1.38 (1.07–1.77)

0.014

Condition on admission

Asymptomatic/Mild

7.9 (29/368)

Ref

 

Moderate

10.6 (97/911)

1.35 (0.89–2.06)

0.162

Severe

16.4 (238/1447)

1.93 (1.30–2.87)

0.001

Critical

64.9 (608/937)

7.19 (4.88–10.58)

 < 0.001

Presence of comorbidities

No

19.1 (384/2014)

Ref

 

Yes

35.7 (588/1649)

1.28 (1.12–1.46)

 < 0.001

  1. HR Hazard ratio, CI Confidence interval
  2. Bold indicates statistical significance
  3. aMultivariable Cox proportional hazard regression was used. Variables included were age, gender, tobacco use, condition on admission, and presence of comorbidities
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BMC Pulmonary Medicine

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