Table 1.
Comparison of anthropometric characteristics between controls and obstructive sleep apnea syndrome (OSAS) patients.
| Controls | Mild OSAS | Moderate OSAS | Severe OSAS | Controls versus mild OSAS | Controls versus moderate OSAS | Controls versus severe OSAS | Mild versus moderate OSAS | Mild versus severe OSAS | Moderate versus severe OSAS | |
|---|---|---|---|---|---|---|---|---|---|---|
| Number | 77 | 91 | 58 | 167 | — | — | — | — | — | — |
| Gender (males/females) | 41/36 | 64/27 | 42/16 | 141/26 | 0.023 | 0.020 | <0.001 | 0.736 | 0.007 | 0.05 |
| Age (years) | 45.3 ± 10.1 | 48.8 ± 9.8 | 53 ± 9.8 | 51 ± 9.7 | 0.023 | <0.001 | <0.001 | 0.011 | 0.088 | 0.170 |
| BMI (kg/m2) | 32.5 ± 7.4 | 32.9 ± 5.7 | 32.6 ± 5.8 | 35.5 ± 6.6 | 0.722 | 0.917 | 0.002 | 0.809 | 0.002 | 0.005 |
| Neck circumference (cm) | 41.2 ± 4.3 | 42.6 ± 3.7 | 42.3 ± 3.3 | 44.7 ± 4 | 0.058 | 0.236 | <0.001 | 0.682 | 0.001 | 0.003 |
| Waist circumference (cm) | 112.4 ± 18.2 | 114.5 ± 13.7 | 117.2 ± 15 | 121.1 ± 15.1 | 0.477 | 0.226 | 0.002 | 0.399 | 0.007 | 0.221 |
| Hip circumference (cm) | 116.7 ± 16.8 | 115.4 ± 10.6 | 117.5 ± 13.4 | 121.2 ± 14.8 | 0.596 | 0.821 | 0.094 | 0.402 | 0.008 | 0.227 |
| WHR | 0.93 ± 0.06 | 0.98 ± 0.06 | 0.99 ± 0.07 | 1 ± 0.06 | 0.061 | 0.020 | 0.001 | 0.740 | 0.040 | 0.796 |
| Smoking (%) | 47.2 | 42.7 | 40.1 | 47.6 | 0.566 | 0.453 | 0.410 | 0.695 | 0.218 | 0.367 |
BMI: body mass index; WHR: waist to hip ratio.