Skip to main content

Table 2 Summary of responses to exercise and treatments.

From: A crossover study of short burst oxygen therapy (SBOT) for the relief of exercise-induced breathlessness in severe COPD

  Room Air Electric Fan Air Mask Oxygen Mask
Mean exercise time (seconds) 93.7 (42.1) 92.9 (43.2) 94.1 (40.5) 93.0 (46.1)
Mean number of steps climbed 34.1 (17.0) 36.0 (17.1) 36.6 (21.9) 33.4 (16.8)
Mean pulse pre-exercise 86.0 (12.1) 87.3 (13.1) 84.7 (12.0) 86.2 (12.6)
Mean pulse at end of exercise 99.3 (18.6) 103.6 (16.6) 107.0 (19.7) 102.1 (16.2)
Mean SpO 2 pre-exercise 95.2 (1.4) 94.8 (1.3) 95.1 (1.3) 94.9 (1.3)
Mean SpO 2 at end of exercise 91.3 (4.0) 91.1 (3.7) 91.3 (4.3) 91.5 (3.5)
Mean Borg score pre-exercise 1.5 (1.1) 1.5 (1.2) 1.5 (1.1) 1.6 (1.2)
Mean Borg score at end of exercise 5.1 (1.7) 5.1 (1.7) 5.3 (1.6) 5.1 (1.7)
Mean subjective recovery time ( mins) 3.2 (1.1) 3.6 (1.8) 3.3 (1.1) 3.1 (1.2)
Mean objective recovery time (mins) 2.8 (2.0) 2.3 (1.1) 2.9 (2.5) 1.9 (1.0)
Recovery time for sub-group of 14 patients who desaturated
Mean subjective recovery time (mins) 3.2 (1.1) 3.4 (1.1) 3.5 (0.9) 2.9 (1.2)
Mean objective recovery time (mins) 3.0 (1.8) 2.1 (0.9) 3.6 (3.6) 1.9 (1.0)
  1. (Mean and SD)