Research Article
[Retracted] An Exploratory Study on the Treatment of Obstructive Apnea-Hypopnea Syndrome by Nasal Cavity Expansion
| BMI classification | WTO standards | China standard | Disease risk |
| Thin | <18.5 | <18.5 | Low | Normal | 18.5∼24.9 | 18.5∼23.9 | Average | Overweight | ≥25 | ≥24 | Increase | Little obesity | 25.0∼29.9 | 24.0∼26.9 | Increase | Obesity | 30.0∼34.9 | 27∼29.9 | Moderate increase | Severe obesity | 35.0∼39.9 | ≥30 | Severe increase |
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