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Table 2 The measurements of the narrowest cross-sectional area (cm2) of the upper airway (CSA-UA) before and after elevating the legs

From: Threshold of the upper airway cross-section for hypopnea onset during sleep and its identification under waking condition

Group

Control

1 min leg raising

8 min leg raising

leg lowering

1 (n = 6)

0.85 ± 0.14

0.69 ± 0.16

0.61 ± 0.17

0.78 ± 0.19

2 (n = 4)

0.88 ± 0.33

0.76 ± 0.26

0.95 ± 0.30

0.85 ± 0.33

3 (n = 8)

0.59 ± 0.19

0.89 ± 0.32

0.88 ± 0.37

0.65 ± 0.23

4 (n = 2)

1.34 ± 0.27

0.74 ± 0.50

1.13 ± 0.12

0.60 ± 0.30

  1. Data represent mean ± standard deviation. n: number of subjects
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Respiratory Research

ISSN: 1465-993X

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