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. Author manuscript; available in PMC: 2014 Oct 1.
Published in final edited form as: J Pain Symptom Manage. 2013 Jun 2;46(4):463–473. doi: 10.1016/j.jpainsymman.2012.10.284

Table 3.

Dyspnea Numeric Rating Scores at Baseline and During Washout Period in Six Patients Who Experienced Extended and Significant Improvement in Dyspneaa

Arm Baseline Post First
Intervention		 10
min		 20
min		 30
min		 40
min		 50
min		 60
min
HFO 10 4 2 1 1 4 2 2
HFO 8 0 0 0 2 2 2 0
BiPAP 8 2 3 1 1 2 2 2
BiPAP 7 7 0 0 0 0 1 1
BiPAP 5 2 2 2 2 2 2 2
BiPAP 7 3 3 1 2 2 2 2

BiPAP = bilevel positive airway pressure; HFO = high flow oxygen.

a

These patients experienced extended (one hour) and significant improvement (less than baseline dyspnea level-1 and <3/10 at the end of one hour), and thus did not continue onto the next study intervention.