Canadian Respiratory Journal / 2019 / Article / Tab 1

Research Article

Clinical Features and Contributing Factors of Excessive Daytime Sleepiness in Chinese Obstructive Sleep Apnea Patients: The Role of Comorbid Symptoms and Polysomnographic Variables

Table 1

Demographic characteristics of the total OSA patients and the patients with different severities of EDS.

TotalNon-EDSMild to moderate EDSSevere EDSF/χ2

Number of cases87458222765
Gender (male : female)739 : 135482 : 100203 : 2454 : 115.5800.061
Age45.4 ± 11.645.2 ± 12.044.5 ± 10.249.5 ± 11.3a,b4.7570.009
BMI (kg/m2)27.2 ± 3.426.8 ± 3.327.9 ± 3.3c29.1 ± 3.6a,b20.462<0.0001
NC (cm)38.4 ± 3.838.1 ± 4.138.9 ± 3.2c39.7 ± 3.4a7.3470.001
WC (cm)97.8 ± 9.596.1 ± 9.0101.0 ± 9.5c102.1 ± 9.9a31.003<0.0001
Awake SpO296.6 ± 0.996.6 ± 0.996.5 ± 0.996.4 ± 0.82.3380.097
ESS score8.3 ± 5.05.4 ± 2.612.8 ± 1.6c19.0 ± 2.0a,b1499.010<0.0001

Data are presented as the number of cases or mean ± SD. aComparisons between non-EDS versus severe EDS groups (); bcomparisons between mild to moderate EDS versus severe EDS groups (); ccomparisons between non-EDS versus mild to moderate EDS groups (). EDS: excessive daytime sleepiness; BMI: body mass index; NC: neck circumference; WC: waist circumference; ESS: Epworth Sleepiness Scale.

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