Please assess the completion status of the following clinical trial:

Trial Title: Predictive Factors of Obesity-hypoventilation Syndrome (OHS) Among Obese Subjects- ETUDE COHYPOB -

Study Design Characteristics:
- Allocation: None
- Intervention Model: SINGLE_GROUP
- Observational Model: None
- Primary Purpose: PREVENTION
- Time Perspective: None
- Masking: NONE
- Phase: None
- Number of Arms: 1.0

Eligibility Criteria:
Inclusion criteria:~* Obese volunteer Subject (BMI\> 30 kg/m2)~* Adults of either sex~* Social security affiliation~* Written informed consent~Exclusion criteria:~* Confirmed OHS at baseline defined by a daytime hypercapnia with PaCO2\> 45mmHg~* Any cause of chronic respiratory failure other than obesity such as COPD, chest deformation, phrenic nerve paralysis, pulmonary fibrosis, neuromuscular disease, a history of mutilating thoracic surgery ...~* Obstructive ventilatory defect with FEV1/ FVC \<70% post-bronchodilator~* Long term oxygen therapy, noninvasive ventilation, continuous positive airway pressure~* Any serious illness involving life-threatening within 3 years after inclusion~* Drug or alcohol abuse~* Pregnancy

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 65 Years
- Healthy Volunteers: f

Study Arms:
- Obesity: BMI > 30 kg/m2 (Type: OTHER): Annual visits among 3 years. During each visit different testings are performed in order to detect an obesity-hypoventilation syndrome (OHS) Polygraphy/Polysomnography, Blood sampling, EKG, Lung function testing, Arterial blood gases, Thoracic radiography, Six-minute walk test, Respiratory questionnaires

Based on this trial design, predict the completion outcome and termination type (if applicable).