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Table 4 Clinical picture and COVID-19 disease course by vaccination status

From: Clinical features and severe outcome predictors of COVID-19 vaccine breakthrough infection among hospitalized patients: results from Egypt severe acute respiratory infections sentinel surveillance, 2021–2022

Characteristics

All patients (n = 1297)

Fully vaccinated (n = 159)

Not fully vaccinated (n = 1138)

OR

95% CI

P value

No.

Percent

No.

Percent

No.

Percent

Pneumonia

 

979

75.5

119

74.8

860

75.6

0.96

0.66–1.41

0.42

 

Unilateral

338

26.1

44

37.0

294

34.2

0.88

0.60–1.32

0.27

Bilateral

641

49.4

75

63.0

566

65.8

ICU admission

 

309

23.8

38

23.9

271

23.8

1.00

0.68–1.48

0.49

Mean ICU days ± SD

 

5.2 ± 5.3

 

4.6 ± 3.8

 

5.2 ± 5.4

   

0.08

Ventilated

 

106

8.2

9

5.7

97

8.5

0.64

0.32–1.30

0.11

Mean ventilation days ± SD

 

2.5 ± 3.4

 

3.0 ± 3.7

 

2.0 ± 2.9

   

0.08

Hospital days ± SD

 

7.7 ± 5.9

 

6.6 ± 5.5

 

7.9 ± 5.9

   

< 0.01

In-hospital death

 

312

24.1

25

15.7

287

25.2

0.55

0.35–0.87

< 0.01