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Table 2 Answers to questionnaire on “DuoBaby” nebulizer among patients using the nebulizer equipped (cases; n = 43) or not equipped (controls; n = 46) with nasal aspirator

From: The impact of nasal aspiration with an automatic device on upper and lower respiratory symptoms in wheezing children: a pilot case-control study

 

Cases

Controls

 

n = 43b

n = 46b

pa

n

%

n

%

 

Handling the nebulizer

 Easy

39

98

39

93

0.241

 Difficult

0

0

3

7

 Impossible

1

3

0

0

Assembly of the nebulizer

 Easy

37

95

38

90

0.677

 Quick solved problems

2

5

4

10

 Difficult

0

0

0

0

Child’s tolerance of nebulization

 No problems

23

58

25

60

0.527

 Some problems

17

43

15

36

 Inhalation impossible

0

0

2

5

Cleaning of the nebulizer

 Easy

35

90

40

95

0.670

 Quickly solved problems

3

8

1

2

 Difficult

1

3

1

2

Nebulization improved symptoms

 Yes

18

53

17

46

0.726

 Partially

13

38

17

46

 No

3

9

3

8

Nebulization was beneficial

 Yes

30

81

27

69

0.035

 Rather yes

1

3

7

18

 Rather no

3

8

5

13

 No

3

8

0

0

Future use of nebulizer wished

 Yes

28

70

29

69

0.405

 Rather yes

5

13

2

5

 Rather no

6

15

7

17

 No

1

3

4

10

Nebulizer use recommendable to others

 Yes

31

77.5

34

79

0.386

 Rather yes

5

12.5

4

9

 Rather no

2

5.0

5

12

 No

2

5.0

0

0

  1. Categorical data were summarized as numbers (n) and frequencies (%)
  2. aChi-squared test, when condition were respected, or Fisher test was used to evaluate the association of categorical data between groups
  3. bSporadic missing values for a few variables examined