. 2019 Dec 27;14:468. doi: 10.1186/s13018-019-1531-0

Table 1.

Eligibility Criteria for studies included in the review

Inclusion criteria	Exclusion criteria
1) Studies that compared the outcomes of low-volume hospitals (LVH) and high-volume hospitals (HVH) for hip arthroplasty. 2) Articles in which the study population was undergoing primary or revision THA.* 3) Reported outcomes included perioperative morbidity/complication, in-hospital mortality, postoperative mortality within 1 year, readmission, length of stay (LOS), and cost of surgery.	1) Less than 25 cases 2) Greater than 10% patients lost to follow-up 3) Measured outcomes not reporting significance of results 4) Studies not available in English

Inclusion criteria

Exclusion criteria

1) Studies that compared the outcomes of low-volume hospitals (LVH) and high-volume hospitals (HVH) for hip arthroplasty.

2) Articles in which the study population was undergoing primary or revision THA.*

3) Reported outcomes included perioperative morbidity/complication, in-hospital mortality, postoperative mortality within 1 year, readmission, length of stay (LOS), and cost of surgery.

1) Less than 25 cases

2) Greater than 10% patients lost to follow-up

3) Measured outcomes not reporting significance of results

4) Studies not available in English

*Studies reporting relationships between hospital volume and hip arthroplasty following trauma/malignancy were excluded.