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Table 1 Characteristics of devices tested in the questionnaire

From: Acceptability and preference of three inhalation devices assessed by the Handling Questionnaire in asthma and COPD patients

Device name

Manoeuvres (n)a

Duration of nurse explanation (sec ± SD)

Time taken by patients to use the device (sec ± SD)

1st att

2nd att

3rd att

1st att

2nd att

3rd att

Breezhaler - A

7

60 ± 4

120 ± 5

150 ± 7

110 ± 4

130 ± 6

150 ± 8

Genuair - B

3

40 ± 3

60 ± 3

65 ± 5

40 ± 3

50 ± 4

60 ± 5

Respimat - C

4

50 ± 3

60 ± 4

90 ± 6

40 ± 3

50 ± 5

60 ± 4

  1. Att attempt for the proper use of each device
  2. aNumber of manoeuvres needed to actuation