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Table 1 Demographic and anthropometric characteristics of apneic and non-apneic patients

From: Prevalence and severity of syndrome Z in women with metabolic syndrome on waiting list for bariatric surgery: a cross-sectional study

Variables All patients No-OSA Mild OSA Moderate OSA Severe OSA P
(n = 83) (n = 20) (n = 23) (n = 17) (n = 23)
Age 44.8 ± 11.2 49.5 ± 10.5 48.7 ± 12 46.5 ± 10.6 48.8 ± 13.6  
Weight (kg) 108 ± 19 104.9 ± 21.1 108.1 ± 14.9 103.8 ± 16 112.3 ± 22.6  
BMI (kg/cm2) 42.6 ± 8.1 40.1 ± 8 41.2 ± 6.6 40.3 ± 6 41.9 ± 8.2  
Waist (cm) 119.4 ± 14.1 111.6 ± 13.1 119.7 ± 11.1 126.7 ± 14.8a 129.4 ± 10.8a, b ***
Neck (cm) 40.3 ± 3.4 38.9 ± 2.8 40.9 ± 3.6 41.7 ± 3.2a 43.3 ± 2.5a, b ***
Ethnicity
 Caucasoid (%) 65.3 70 16.8 14.4 14.4  
 Negroid (%) 34.6 7.2 10.8 6.0 13.2  
  1. OSA obstructive sleep apnea, BMI body mass index, Kg kilogram, cm 2 square centimeters, SD standard deviation
  2. *** P < 0.001; data are expressed as mean (± SD) and percentage (%)
  3. ano-OSA vs moderate OSA or severe OSA
  4. bmild OSA vs severe OSA