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Table 2 Comparison of underlying disease and DTaP vaccination according to clinical diagnosis in 248 students with confirmed vaccination records

From: Pertussis outbreak in university students and evaluation of acellular pertussis vaccine effectiveness in Japan

Characteristics

Total

No symptom (n = 133)

Suspected case (n = 77)

Probable case (n = 38)

P-value*

(n = 248)

n

(%)

n

(%)

n

(%)

 

Department

Medicine

156

76

57.1

51

66.2

29

76.3

0.0075

 

Nursing

92

57

42.9

26

33.8

9

23.7

 

Grade

1

133

64

48.1

47

61.0

22

57.9

0.1652

 

2

115

69

51.9

30

39.0

16

42.1

 

Sex

Male

102

53

39.8

30

39.0

19

50.0

0.4784

 

Female

146

80

60.2

47

61.0

19

50.0

 

History

Allergic rhinitis

59

35

26.3

18

23.4

6

15.8

0.4032

 

Anemia

30

15

11.3

9

11.7

6

15.8

0.7474

 

Food Allergy

12

7

5.3

3

3.9

2

5.3

0.8979

 

Heart disease

2

2

1.5

0

0.0

0

0.0

0.4182

 

Liver disease

1

1

0.8

0

0.0

0

0.0

0.6479

 

Renal disease

4

4

3.0

0

0.0

0

0.0

0.1724

 

Diabetes

1

1

0.8

0

0.0

0

0.0

0.6479

 

None

90

48

36.1

32

41.6

10

26.3

0.2778

Vaccination record for DTaP vaccine

         
 

No

3

1

0.8

1

1.3

1

2.6

0.0742

 

1 shot

4

2

1.5

2

2.6

0

0.0

 
 

2 doses

2

0

0.0

0

0.0

2

5.3

 
 

3 doses

14

5

3.8

5

6.5

4

10.5

 
 

4 doses

225

125

94.0

69

89.6

31

81.6

 
  1. DTaP: diphtheria, tetanus, and pertussis.
  2. *Chi-square test or Fisher’s exact test.