Please assess the completion status of the following clinical trial:

Trial Title: Bisphosphonates Use After Total Joint Arthroplasty

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

Eligibility Criteria:
Inclusion Criteria:~1. Patients who underwent primary total joint arthroplasty during the study period (January 1, 2000 to December 31, 2015).~Exclusion Criteria:~1. Patients with total joint arthroplasty before the index date,~2. Patients with existing pathologic fracture, nonunion of fracture and partial joint replacement,~3. Patients who were lost to follow-up~4. Patients \< 40 years old

- Gender: ALL
- Minimum Age: 40 Years
- Maximum Age: None
- Healthy Volunteers: None

Study Arms:
- bisphosphonates users (Type: None): Patients who underwent primary total joint arthroplasty with bisphosphonates use
- bisphosphonates nonusers (Type: None): Patients who underwent primary total joint arthroplasty without bisphosphonates use

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