Please assess the completion status of the following clinical trial:

Trial Title: Total Knee Arthroplasty Functional Outcomes Study Research Design

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

Eligibility Criteria:
Inclusion Criteria:~* Patient is male or non-pregnant female age 18 years or older at time of study~* Patient is a candidate for a total knee arthroplasty~* Patient is willing and able to comply with postoperative scheduled clinical and radiographic evaluations and rehabilitation~Exclusion Criteria:~* Patients with a primary diagnosis other than osteoarthritis of the knee as determined by an orthopedic surgeon~* Patients who have had any previous lower extremity procedure~* Patients with a BMI greater than or equal to 40~* Patients with an active infection within the affected knee joint~* Patients with a neuromuscular or neurosensory deficiency that may limit the ability of the patient to evaluate the safety and efficacy of the device~* Patients diagnosed with systemic disease or metabolic disorder leading to progressive bone deterioration (e.g. Lupus Erythematosus, Paget's disease)~* Patients immunologically suppressed or receiving chronic steroids in excess of normal physiological requirements (e.g. greater than 30 days)~* Patients with a known sensitivity to device materials~* Non-English speaking patients~* Patient is a prisoner

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

Study Arms:
- Total knee arthroplasty patients (Type: None): ConforMIS iTotal (CR) knee implant system and off-the-shelf knee implant systems from various manufacturers

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