Please assess the completion status of the following clinical trial:

Trial Title: Retrospective Study of the Linear™ Hip

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

Eligibility Criteria:
Inclusion Criteria:~* Have hip joint disease related to one or more of the following~  * osteoarthritis~ * rheumatoid arthritis~ * femoral fracture~ * correction of a functional deformity~ * avascular necrosis of the natural femoral head~* Skeletal maturity~* Patient is likely to be available for evaluation for the duration of the study~* Able and willing to sign the informed consent and follow study procedures~* Patient is not pregnant~* No infection present~* No known materials sensitivity~* Patient is over 18 years of age~Exclusion Criteria:~* Skeletal immaturity~* Infection or sepsis~* Insufficient bone quality that may affect the stability of the implant~* Muscular, neurologic or vascular deficiencies which compromise the affected extremity~* Alcoholism or other addictions~* Prisoners~* High levels of physical activity~* Patient is pregnant~* Loss of ligamentous structures~* Materials sensitivity~* Patient is under 18 years of age

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

Study Arms:
- Linear Hip (Type: None): Encore Linear Hip System

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