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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