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Table 4 Dyspnea and other results for O2 users and O non-users among subjects whose nadir SpO2 was 89 % or greater (nadir SpO2 ≥ 89 %)

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

 

O2 (N = 373)

No O2 (N = 262)

P

6MWD

1092.4 ± 333.8

1427.4 ± 316.4

<0.0001

BMI

30.4 ± 6.9

28.2 ± 5.8

<0.0001

Borg Dyspnea

3.4 ± 1.9

2.4 ± 1.6

<0.0001

Borg Exertion*

2.9 ± 2.1

2.2 ± 1.7

<0.0001

HR baseline

79.0 ± 14.0

78.0 ± 13.0

0.37

HR at 6 min

106.7 ± 15.3

109.0 ± 15.1

0.06

HR rise

27.7 ± 13.7

31.0 ± 11.8

0.001

SpO2 baseline

97.6 ± 1.7

95.7 ± 1.6

<0.0001

SpO2 at 6 min

91.4 ± 5.2

91.4 ± 5.7

0.97

SpO2 drop

6.5 ± 2.4

4.6 ± 1.9

<0.0001

  1. Values are mean and standard deviation; 6MWD distance walked during six-minute walk test (6MWT), O2 completed 6MWT using supplementaloxygen, No O2 completed 6MWT without using supplemental oxygen,HR heart rate, SpO2 peripheral oxygen saturation; *N = 317 for O2 users and 211 for non-users
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Multidisciplinary Respiratory Medicine

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