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Table 1 Characteristics of study subjects

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

Characteristic

Number of patients

Percent

Total admitted

 

3414

NA

Total admitted with confirmed COVID-19

 

1,447

42.4

COVID-19 patients with complete vaccination data

 

1,297

89.6

Vaccinated patients

 

207

16.0

No. of doses

   
 

one dose

45

21.7

two doses

158

76.3

three doses

4

1.9

Vaccine breakthrough infection

 

159

12.3

By vaccine type

   
 

Inactivated

101

63.5

Viral vector

42

26.5

mRNA

12

7.5

Type unknown

4

2.5

By time after vaccination

   
 

Within one month

12

7.5

1-<2 months after

25

15.7

2-<3 months after

34

21.4

3-<4 months

18

11.3

4-<5 months after

21

13.2

5-<6 months after

13

8.2

> 6months after

19

11.9

Unknown

17

10.7