Journal List > J Rhinol > v.22(2) > 1044350

Lee, Lee, Ye, Kang, Kim, Park, Kim, and Shin: Correlation Analysis between Anthropometric Measurement and the Results of Seep Questionnaires in Patients with Obstructive Sleep Apnea

Abstract

Background and Objectives

Obstructive sleep apnea (OSA) is the most common form of sleep-disordered breathing and affects quality of life. Several questionnaires have been developed for screening OSA. The aim of this study was to compare the anthropometric measurements of OSA patients using sleep questionnaires as a tool to screen patients with OSA.

Materials and Method

This study enrolled 126 adult OSA patients. All subjects underwent overnight polysomnography (PSG) and were measured for body mass index (BMI), neck circumference, waist circumference, and tonsil size. Patients were screened using the Epworth Sleepiness Scale (ESS), Pittsburgh Sleep Quality Index (PSQI), Berlin questionnaire (Berlin Q), and STOP questionnaire (STOP Q). Correlation and multiple regression analyses were conducted to determine the predictive value of the anthropometric measurements of OSA patients.

Results

ESS, Berlin Q, and STOP Q results were associated with apnea hypopnea index (AHI), minimal oxygen saturation of PSG and BMI, neck circumference, waist circumference, and hip circumference of OSA patients. However, facial contour did not significantly influence the results of sleep questionnaires.

Conclusion

Some anthropometric characteristics are associated with sleep questionnaire results. Not only sleep questionnaires, but also anthropometric data can be used as predictive tools of OSA.

References

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Fig. 1.
Measurement of the face. A: Length from nasion to sub-nasale. B: Distance from subnasale to stomion. C: Distance from stomion to menton. D: Distacne from gonion to menton. E: Distance from cervicale to menton. F: Distance from menton to ideal menton.
jr-22-96f1.tif
Table 1.
Anthropometric characteristics of obstructive sleep apnea patients
Variables Mean± SD
Height (cm) 171.3±9.4
Weight (kg) 75.3±12.7
Body mass index (kg/cm2) 26.2±3.5
Neck circumference (cm) 38.5±3.5
  Sitting positon 39.3±3.7
  Supine position 91.0±7.6
Waist circumference (cm) 97.7±5.8
Hip circumference (cm)  
Measurement of the face (mm)  
  Distance from nasion to subnasion 48.2±6.1
  Distance from subnasion to stomion 27.0±3.0
  Distance from stomion to menton 47.2±5.3
  Distance from gonion to menton 94.4±12.9
  Distance from cervicale to menton 3.0±2.1
  Distance from menton to ideal menton 49.1±8.9
Interincisal distance 2.4±1.7
Tonsil grade 1.6±0.8
Modified Mallampati score 2.5±0.8

SD: standard deviation

Table 2.
The correlation of polysomnographic results, physical characteristics and sleep questionnaires of obstructive sleep apnea patients
  ESS (γ) PSQI (γ) Berlin (γ) STOP (γ)
PSG findings
  AHI 0.02* (0.23) 0.20 (0.13) 0.01* (0.23) 0.00* (0.32)
  Minimal O2 saturation 0.03* (0.26) 0.10 (0.16) 0.01* (0.24) 0.37 (0.08)
  Sleep efficiency 0.10 (0.17) 0.35 (0.09) 0.88 (0.01) 0.20 (0.09)
Physical findings
  Tonsil size 0.34 (0.09) 0.25 (0.11) 0.78 (0.05) 0.79 (0.04)
  Mallampati score 0.07 (NA) 0.74 (NA) 0.21 (NA) 0.01* (NA)
  BMI 0.04* (0.26) 0.47 (0.07) 0.02* (0.37) 0.04* (0.37)
  Neck C. (supine) 0.26 (0.10) 0.39 (0.09) 0.02* (0.36) 0.01* (0.28)
  Neck C. (erect) 0.09 (0.15) 0.74 (0.03) 0.02* (0.36) 0.01* (0.27)
  Waist C. 0.01* (0.22) 0.77 (0.03) 0.03* (0.28) 0.03* (0.34)
  Hip C. 0.03* (0.25) 0.95 (0.02) 0.18 (0.11) 0.05* (0.33)
Facial contours
  Nasion to subnasale 0.01* (0.24) 0.25 (0.11) 0.99 (0.00) 0.25 (0.12)
  Subnasale to stomion 0.49 (0.06) 0.33 (0.09) 0.34 (0.09) 0.92 (0.01)
  Stomion to menton 0.46 (0.07) 0.40 (0.08) 0.50 (0.06) 0.11 (0.12)
  Gonion to menton 0.14 (0.13) 0.60 (0.05) 0.77 (0.02) 0.49 (0.07)
  Cervicale to menton 0.97 (0.00) 0.10 (0.16) 0.20 (0.11) 0.39 (0.08)
  Menton to ideal menton 0.02* (0.21) 0.69 (0.04) 0.51 (0.06) 0.20 (0.11)
  Interincisal distance 0.43 (0.07) 0.62 (0.05) 0.18 (0.11) 0.25 (0.09)
Smoking 0.88 (NA) 0.35 (NA) 0.18 (NA) 0.04* (NA)
Alcohol 0.77 (NA) 0.10 (NA) 0.45 (NA) 0.38 (NA)

* Statistically significant with p<0.05. γ: correlation coefficient, ESS: epworth sleepiness scale, PSQI: Pittsburgh sleep quality index, Berlin: Berlin questionnaire, STOP: STOP questionnaire, PSG: polysomnography, AHI: apnea-hypopnea index, BMI: body mass index, C: circumference

Table 3.
Univariate analysis of the relationship of polysomnographic results, physical characteristics and Berlin, STOP OSA risk patients
  Berlin OSA risk STOP OSA risk
PSG findings
  AHI 0.01* 0.00*
  Minimal O2 saturation 0.01* 0.37
  Sleep efficiency 0.88 0.19
Physical findings    
  Tonsil size 0.78 0.79
  Mallampati score 0.20 0.01*
  BMI 0.02* 0.04*
  Neck C. (supine) 0.02* 0.01*
  Neck C. (erect) 0.02* 0.01*
  Waist C. 0.02* 0.03*
  Hip C. 0.07 0.05*
Facial contours
  Nasion to subnasale 0.99 0.25
  Subnasale to stomion 0.34 0.92
  Stomion to menton 0.50 0.11
  Gonion to menton 0.77 0.49
  Cervicale to menton 0.51 0.20
  Menton to ideal menton 0.20 0.39
Interincisal distance 0.18 0.25
Smoking 0.18 0.00*
Alcohol 0.45 0.74

* Statistically significant with p<0.05. γ: correlation coefficient, PSG: polysomnography, AHI: apnea-hypopnea index, BMI: body mass index, C: circumference

Table 4.
Multivariate analysis of the relationship of polysomnographic results, physical characteristics and Berlin, STOP OSA risk patients
  Berlin OSA risk patients STOP OSA riskpatients
OR (95% CI) p-value OR (95% CI) p-value
AHI 1.00 (0.97, 1.04) 0.79 1.08 (0.97, 1.19) 0.18
Minimal O2 saturation 0.96 (0.90, 1.03) 0.29 NA NA  
BMI 1.09 (0.80, 1.49) 0.58 1.20 (0.69, 2.08) 0.52
Neck C. (supine) 1.02 (0.58, 1.79) 0.95 1.06 (0.46, 2.41) 0.90
Neck C. (erect) 1.08 (0.58, 2.01) 0.80 1.11 (0.44, 2.81) 0.83
Waist C. 1.02 (0.90, 1.15) 0.81 0.88 (0.70, 1.11) 0.29

OR: odds ratio, CI: confidence interval, PSG: polysomnography, AHI: apnea-hypopnea index, BMI: body mass index, C: circumference

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