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Table 2 Primary outcomes: adherence to treatment and patient satisfaction

From: High frequency chest wall oscillation for asthma and chronic obstructive pulmonary disease exacerbations: a randomized sham-controlled clinical trial

 

Active HFCWO (n = 25)

Sham HFCWO (n = 27)

p-value

Adherence, mean (SD)

91% (21.1%)

93% (18.7%)

0.70

Satisfaction

   

   Convenient

79%

n = 24

92%

n = 26

0.24

   Easy to use

92%

92%

n = 26

> 0.99

   Comfortable

88%

92%

n = 26

0.67

   Helped me feel better

80%

85%

n = 26

0.73

   Helped me breathe

84%

69%

n = 26

0.32

   Felt safe

100%

96%

n = 26

> 0.99

   Would recommend to someone

92%

85%

n = 26

0.67

   Want my doctor to prescribe

76%

81%

n = 26

0.74

  1. One participant in the active HFCWO group had missing data for 1 of the patient satisfaction items. One participant in the sham HFCWO group had missing data for all the satisfaction items.