Table 7 Logistic regression analysis of the risk factors on REM dependency.

From: Comparison of polysomnographic and cephalometric parameters based on positional and rapid eye movement sleep dependency in obstructive sleep apnea

Predictor variables

Standardized β

Standard error

Odds ratio

95% CI

P value

Age

− 0.046

0.016

0.955

0.926–0.986

0.004*

Gender (men = 1, women = 2)

− 0.487

0.487

0.614

0.236–1.597

0.317

BMI

0.031

0.053

1.031

0.929–1.145

0.562

Severe OSA

− 1.883

0.463

0.152

0.061–0.377

 < 0.001*

SNA

− 0.009

0.036

0.991

0.924–1.062

0.798

ANB

− 0.081

0.056

0.922

0.826–1.029

0.147

AH⊥MP

− 0.085

0.031

0.919

0.864–0.977

0.007*

AH-C3

− 0.017

0.028

0.983

0.931–1.038

0.534

SPT

− 0.176

0.075

0.839

0.724–0.971

0.019*

PNS-U

− 0.066

0.034

0.936

0.876–1.000

0.050

NL/PNS-U

0.002

0.005

1.002

0.992–1.013

0.646

NAS

0.019

0.049

1.020

0.926–1.123

0.694

SOAS

0.090

0.051

1.094

0.989–1.210

0.080

MOAS

0.068

0.053

1.070

0.965–1.186

0.197

IOAS

0.136

0.052

1.146

1.034–1.269

0.009*

HAS

0.022

0.032

1.023

0.960–1.089

0.488

  1. REM, rapid eye movement sleep; CI, confidence interval; BMI, body mass index; severe OSA, obstructive sleep apnea showing apnea–hypopnea index ≥ 30; SNA, smaller angle which is formed by sella(S), nasion(N), and A point; ANB, smaller angle which is formed by A point, nasion(N), and B point; AH⊥MP, the perpendicular distance between AH and Go-Me line; AH-C3, the distance between AH and the third vertebra; SPT, maximum width of soft palate which is perpendicular to PNS-U line; PNS-U, the distance between PNS and U; NL/PNS-U, smaller angle between ANS-Pm line and PNS-U line; NAS, nasal airway space; SOAS, superior oral airway space; MOAS, middle oral airway space; IOAS, inferior oral airway space; HAS, hyoid airway space.
  2. *Significant difference: p < 0.05.
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