Please assess the completion status of the following clinical trial:

Trial Title: The Effect of a Predictive Model of Bowel Preparation Based on Procedure-related Factors

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

Eligibility Criteria:
Inclusion Criteria:~* Age: 18\~75 years~* Patients undergoing morning colonoscopy~Exclusion Criteria:~* colon resection;~* suspected bowel obstruction;~* moderate or severe complications related to drinking the 1st or 2rd dose of PEG~* hemodynamically unstable;~* lactating or pregnant women;~* no need to reach the ileocecal segment~* unwilling to provided informed content.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 75 Years
- Healthy Volunteers: t

Study Arms:
- control group (Type: NO_INTERVENTION): Colonoscopy was performed in the control group directly.
- model-based interference group (Type: EXPERIMENTAL): Patients with score ≥3 were asked to taking another dose of PEG (1.5L) within 1-2 hours. Colonoscopy was performed in afternoon (about 4h after drinking PEG). Patients with score\<3 in IM group colonoscopy directly.

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