Please assess the completion status of the following clinical trial:

Trial Title: A Single Time-Point Study to Evaluate the ConforMIS iTotal (PS) Knee Replacement System Versus Off-the-Shelf

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

Eligibility Criteria:
Inclusion Criteria:~* Implant must be a minimum of 6 months post-op and doing well in the opinion of site staff~* Subject has had a knee replacement utilizing a fixed bearing PS (Posterior Stabilized) implant design~* \> 18 years of age~* Willingness to participate in the clinical study, to give informed consent, and to perform all evaluations~Exclusion Criteria:~* Simultaneous or staged bilateral procedure~* BMI \> 40~* Other physical disability that requires an aid for walking or disability affecting the hips, spine, contralateral knee or other joint that limits function~* Participation in another clinical study which would confound results~* Inability to complete the protocol in the opinion of the clinical staff due to safety or other reasons

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

Study Arms:
- iTotal PS KRS (Type: None): Patients who have had an iTotal (posterior stabilized) knee replacement at least 6 months prior to testing.
- Off-the-Shelf KRS (Type: None): Patients who have had an off-the-shelf (posterior stabilized) knee replacement at least 6 months prior to testing.

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