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Table 3 Dyspnea and other results for O2 users and O2 non-users among subjects whose nadir SpO2 was < 89 %

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

 

O2 (N = 439)

No O2 (N = 252)

P

6MWD (feet)

1051 ± 382.7

1415.1 ± 370.5

<0.0001

BMI

30.2 ± 6.8

28.8 ± 5.2

0.003

Borg Dyspnea

4.3 ± 2.0

3.4 ± 1.7

<0.0001

Borg Exertion*

3.5 ± 2.1

2.7 ± 1.8

<0.0001

HR baseline

80.4 ± 13.7

78.2 ± 13.3

0.04

HR at 6 min

112.3 ± 16.0

112.9 ± 16.2

0.62

HR rise

31.9 ± 14.8

34.7 ± 15.3

0.02

SpO2 baseline

97.2 ± 2.0

94.6 ± 1.7

<0.0001

SpO2 at 6 min

85.3 ± 3.5

86.0 ± 3.2

0.02

SpO2 drop

11.8 ± 4.1

8.6 ± 3.3

<0.0001

  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, SpO2 peripheral oxygen saturation; *N = 355 for O2 users and 204 for non-users
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Multidisciplinary Respiratory Medicine

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