Please assess the completion status of the following clinical trial:

Trial Title: 1L- vs. 4L-PEG for Bowel Preparation Among Inpatients.

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

Eligibility Criteria:
Inclusion Criteria:~* Adult inpatients scheduled for colonoscopy for any indication within the normal process of care.~Exclusion Criteria:~* patients who underwent emergency or elective therapeutic colonoscopies (e.g. polypectomy, endoscopic mucosal resection, endoscopic submucosal dissection)~* patients who underwent bowel preparation outside the hospital

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

Study Arms:
- 1L-PEG (Type: None): Hospitalized patients who are prescribed colonoscopy with 1L-polyethylene glycole (PEG) plus ascorbic acid as bowel preparation.
- 4L-PEG (Type: None): Hospitalized patients who are prescribed colonoscopy with 4L-polyethylene glycole (PEG) as bowel preparation.

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