Please assess the completion status of the following clinical trial:

Trial Title: Obstructive Airways Diseases in Emergency Department (OADED) Study

Study Design Characteristics:
- Allocation: None
- Intervention Model: None
- Observational Model: CASE_ONLY
- Primary Purpose: None
- Time Perspective: PROSPECTIVE
- Masking: None
- Phase: None
- Number of Arms: None

Eligibility Criteria:
Inclusion Criteria:~1. Age \>18~2. Ability and willingness to participate the study and sign informed consent form~3. Asthma / COPD patients~Exclusion Criteria:~1. Pregnant women~2. Asthma or COPD patients with FEV1 \> 60%~3. Disability or unwillingness to undergo capnography measurement~4. Cannot be assessed for FEV1~5. Oxygen supply \>5 L/min

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: None
- Healthy Volunteers: f

Study Arms:
- Patients with COPD and Asthma . (Type: None): Patients with COPD and Asthma. Continuous capnography and spirometry measurements of the subjects will be taken form the subjects with at least two minutes recording before the first spirometry assessment.~All clinical diagnoses and treatments will be performed according to the department's protocols.~This is an observational study with no interventions

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