Please assess the completion status of the following clinical trial:

Trial Title: Lower Inspiratory Oxygen Fraction for Preoxygenation

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: DOUBLE
- Phase: None
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~1. A patient who is scheduled for an elective surgery and required for general anesthesia with endotracheal intubation.~2. Age of the patient is between 20 and 65 years old.~3. Patient's American Society of Anesthesiologists (ASA) Physical Status is I- III.~Exclusion Criteria:~Patients who:~1. Have difficult airway for ventilation or intubation.~2. Have severe lung disease (including any acute respiratory infection).~3. Had past history of coronary artery disease or myocardial infarction.~4. Have severe heart failure (NYHA Fc ≥III).~5. Have liver cirrhosis (Child-Pugh's score ≥B).~6. Have acute or chronic kidney disease (Creatinine ≥2 mg/dl).~7. Have severe anemia (hemoglobin ≤8 mg /dl).~8. Have a body mass index (BMI) ≥35.~9. Are currently pregnant.~10. Have inadequate fasting time, intestinal obstruction or severe gastroesophageal reflux.~11. Scheduled for an emergency surgery, cardiac surgery, craniotomy, or pulmonary surgery.~12. Have mental incapacitant, confusion, dementia, mental retardation, or are unable to complete the consent independently.~13. Refuse to participate in this study.

- Gender: ALL
- Minimum Age: 20 Years
- Maximum Age: 65 Years
- Healthy Volunteers: f

Study Arms:
- Pure oxygen group (Type: ACTIVE_COMPARATOR): The patients receive 100% oxygen therapy during the induction phase of induction
- Lower oxygen group (Type: EXPERIMENTAL): The patients received 60% oxygen therapy during the induction phase of induction

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