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. 2010 Sep 1;33(9):1249–1254. doi: 10.1093/sleep/33.9.1249

Table 2.

Correlations between surface facial dimensions and upper airway structures on MRI

Correlation Coefficient (r) BMI NC Soft Palate Volume Tongue Volume Fat Pad Volume LPW Volume Airway Volume
    BMI - 0.58a 0.23 0.34b 0.11 0.19 0.02
    NC 0.58a - 0.50a 0.76a 0.06 0.47a 0.26
    Midface Width 0.59a 0.81a 0.36b 0.70a 0.10 0.34b 0.28
    Lower-Face Width 0.67a 0.78a 0.32b 0.60a 0.08 0.36b 0.09
    Eye Widthc −0.16 0.13 0.06 0.20 0.22 0.42 −0.33
    Interocular Widthc −0.05 0.46b 0.23 0.49b 0.34 0.41 −0.01
    Intercanthal Widthc 0.27 0.53b 0.38 0.49b 0.08 0.28 0.59a
    Nose Width 0.15 0.48a 0.11 0.57a 0.03 0.38 −0.02
    Face Heightd 0.24 0.30 0.44a 0.43b 0.24 0.38b 0.37b
    Lower Face Height 0.28 0.35b 0.42a 0.39b 0.06 0.40b 0.19
    Bony Facial Ratiod 0.17 0.13 0.44a 0.12 0.07 0.40b 0.14
    Surface Facial Ratiod −0.21 −0.32 0.27 −0.11 0.10 0.16 0.21

MRI refers to magnetic resonance imaging; BMI, body mass index; NC, neck circumference; LPW, lateral pharyngeal wall; Bony facial ratio, bony face height/bony face width; surface facial ratio, face height/midface width.

a

P < 0.001;

b

P < 0.01;

c

Data available in 33 subjects where images were inclusive of the orbits;

d

Data available in 59 subjects where images were inclusive of the landmark nasion.