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Table 2 Body measurements, ESS results between responders and non-responders before treatment

From: Efficacy and mechanism of mandibular advancement devices for persistent sleep apnea after surgery: a prospective study

Parameters

Responders

Non-responders

P value

BMI(kg/m2)

27.9 ± 3.3

28.5 ± 3.3

0.709

Neck circumference (cm)

41.6 ± 1.9

40.0 ± 3.2

0.199

Waist circumference (cm)

100.6 ± 7.4

99.7 ± 8.8

0.804

Hip circumference (cm)

104.0 ± 6.9

104.5 ± 6.2

0.860

Waist-to-hip ratio

1.0 ± 0.1

1.0 ± 0.1

0.578

ESS

7.4 ± 6.1

9.9 ± 6.4

0.401

AHI (/h)

41.2 ± 13.1

47.6 ± 24.8

0.487

LSaO2 (%)

78.1 ± 8.9

76.2 ± 6.1

0.604

  1. Abbreviations: BMI average body mass index, ESS Epworth sleepiness scale, AHI apnea hypopnea index, LSaO2 lowest oxygen saturation