Table 5 Cephalometric parameters according to REM dependency.

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

Variable

REM-related (n = 53)

Not-REM-related (n = 80)

P value

SNA

79.1 ± 5.8

79.3 ± 4.5

0.800

ANB

− 0.2 ± 3.0

0.6 ± 3.4

0.146

AH⊥MP

18.4 ± 5.5

22.5 ± 11.8

0.019*

AH-C3

42.7 ± 5.2

43.4 ± 7.2

0.537

SPT

11.3 ± 2.3

12.9 ± 5.1

0.031*

PNS-U

39.6 ± 4.8

41.6 ± 5.9

0.045*

NL/PNS-U

84.9 ± 35.6

82.2 ± 31.6

0.648

NAS

25.7 ± 4.0

25.4 ± 3.4

0.696

SOAS

12.3 ± 3.5

11.2 ± 3.5

0.077

MOAS

9.5 ± 3.4

8.7 ± 3.4

0.197

IOAS

12.1 ± 4.2

10.3 ± 3.2

0.006*

HAS

18.5 ± 5.6

17.8 ± 5.5

0.490

  1. REM, rapid eye movement sleep; 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. Results were obtained from independent T-test: mean ± SD.
  3. *Significant difference: p < 0.05.
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