Table 2.
Anthropometric indices and their cutoff values according to obstructive sleep apnea severity in each gender.
| Body Mass Index | Waist Circumference | Neck Circumference | Waist-to-height ratio | |||||
|---|---|---|---|---|---|---|---|---|
| Cut-off (kg/m2) | Accuracy (%) | Cut-off (cm) | Accuracy (%) | Cut-off (cm) | Accuracy (%) | Cut-off | Accuracy (%) | |
| Mild to moderate to severe OSA (model 1) | ||||||||
| Men (n=190/450) | 27.2 | 71.6±0.02 | 92.5* | 72.9±0.02 | 40.2 | 72.0±0.02 | 0.56 | 71.8±0.02 |
| Women (n=140/552) | 33.0 | 76.7±0.02 | 95.0* | 78.9±0.02 | 36.2 | 76.0±0.02 | 0.58 | 77.9±0.02 |
| Moderate to severe OSA (model 2) | ||||||||
| Men (n=108/450) | 32.0 | 77.8±0.02 | 96.0 | 74.9±0.02 | 42.3 | 78.0±0.02 | 0.61* | 78.4±0.02 |
| Women (n=63/552) | 36.1 | 86.3±0.01 | 101.0 | 87.4±0.01 | 37.9 | 86.3±0.01 | 0.70* | 88.2±0.01 |
| Severe OSA (model 3) | ||||||||
| Men (n=44/450) | 34.1 | 91.1±0.01 | 116.1* | 91.3±0.01 | 46.4 | 90.2±0.01 | 0.67 | 91.1±0.01 |
| Women (n=27/552) | 42.2 | 94.8±0.01 | 126.5* | 95.1±0.01 | 40.5 | 94.6±0.01 | 0.72 | 94.0±0.01 |
Legend: OSA (obstructive sleep apnea).
*
Higher accuracy value between the anthropometric variables evaluated in this study.