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Table 3 Reported distribution of symptoms in study participants with or without pdm flu vaccination

From: Difference in immune response in vaccinated and unvaccinated Swedish individuals after the 2009 influenza pandemic

Symptoms

Vaccinated

Not vaccinated

Difference

 

N

%

N

%

p-value

Nasal discharge

43

15.1

84

14.8

0.02

Fatigue

36

12.6

68

12.0

0.04

Cough

35

12.3

61

10.7

0.01

Headache

28

9.8

62

10.9

0.4

Sneezing

35

12.3

66

11.6

0.04

Sore throat

23

8.1

65

11.4

0.7

Muscle aches or joint pain

26

9.1

48

8.4

0.08

Chills

22

7.7

36

6.3

0.05

Other symptoms

9

3.2

20

3.5

0.7

Fever

9

3.2

20

3.5

0.7

Ear pain

7

2.5

21

3.7

0.7

Chest discomfort

6

2.1

9

1.6

0.3

Diarrhea

3

1.1

5

0.9

0.5

Itch

2

0.7

4

0.7

0.8

Vomiting

1

0.4

0

0.0

0.1

Symptoms N/%

285

100

569

100

 

N

65

65

170

170

 
  1. Note the differential symptom presentation in participants vaccinated or not vaccinated against pdmH1N1. P values below 0.05 are indicated in bold.