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Table 5 Dyspnea and other results for O2 users and O2 non-users among subjects whose SpO2 fell by <4 % during the walk

From: Supplemental oxygen users with pulmonary fibrosis perceive greater dyspnea than oxygen non-users

 

O2 (N = 36)

No O2 (N = 82)

P

6MWD (feet)

944.9 ± 367.0

1385.3 ± 322.4

<0.0001

BMI

31.6 ± 6.8

27.6 ± 5.3

0.001

Borg Dyspnea

3.3 ± 1.6

2.3 ± 1.7

0.005

Borg Exertion*

2.7 ± 2.0

2.2 ± 1.7

0.20

HR baseline

81.3 ± 15.3

79.9 ± 14.7

0.64

HR at 6 min

99.6 ± 11.7

107.6 ± 15.6

0.007

HR rise

18.2 ± 16.1

27.6 ± 10.5

0.002

SpO2 baseline

96.6 ± 2.5

95.2 ± 1.9

0.0009

SpO2 at 6 min

95.2 ± 2.3

93.4 ± 2.1

<0.0001

SpO2 drop

1.1 ± 3.1

1.8 ± 1.0

0.18

  1. Values are mean and standard deviation; 6MWD distance walked during six-minute walk test (6MWT), O2 completed 6MWT using supplemental oxygen, No O2 completed 6MWT without using supplemental oxygen, HR heart rate, SpO2 peripheral oxygen saturation; *N = 30 for O2 users and 67 for non-users
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Multidisciplinary Respiratory Medicine

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