Table 2 Relationships between parapharyngeal fat pad areas, mandibular plane-hyoid distance and sites of complete lateral wall collapse and other variables.

From: Parapharyngeal fat pad area at the subglosso-supraglottic level is associated with corresponding lateral wall collapse and apnea-hypopnea index in patients with obstructive sleep apnea: a pilot study

Variables

Parapharyngeal fat pad area

MPHb

Nasopharyngeal level

Oropharyngeal level

SG-SGa level

Age

−0.028 (0.864)

−0.090 (0.576)

0.085 (0.599)

−0.074 (0.646)

Male gender

−0.019 (0.905)

<0.001 (1.000)

−0.038 (0.812)

0.077 (0.634)

Body mass index

0.147 (0.358)

0.137 (0.395)

0.241 (0.128)

0.410 (0.008*)

Neck circumference

0.147 (0.360)

0.067 (0.678)

0.268 (0.091)

0.180 (0.260)

Tonsil grade

0.290 (0.066)

0.242 (0.127)

0.389 (0.012*)

0.042 (0.794)

Tongue position

0.098 (0.542)

0.077 (0.630)

0.170 (0.287)

0.246 (0.121)

Site of compete lateral wall collapsec

Nasopharynx

0.172 (0.282)

0.144 (0.371)

0.067 (0.677)

0.057 (0.721)

Oropharynx

0.155 (0.334)

0.067 (0.678)

0.046 (0.775)

0.172 (0.284)

Subglosso-supraglottis

0.268 (0.091)

0.197 (0.218)

0.360 (0.021*)

0.268 (0.091)

  1. All values are reported as Spearman correlation coefficient (P-value).
  2. aSG-SG: Subglosso-supraglottis.
  3. bMPH: Mandibular plane-hyoid distance.
  4. cPatients might have more than or equal to one site of complete lateral wall collapse that collapsibility was more than 90%.
  5. *Two-tailed P-values less than 0.05.
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