Zywiel et al.
|
2011
|
USA
|
90
|
TKA
|
Retrospective Cohort
|
Prospectively collected database at two institutions that specialize in lower extremity total joint arthroplasty
|
Matching
|
Center (exact match), procedure type (unilateral or bilateral procedure; exact match), sex (exact match), age (± 4 years) and BMI (± 4 kg/m2)
|
KSS
|
38.5 months (mean)
|
Smith et al.
|
2017
|
USA
|
156
|
TKA
|
Retrospective Cohort
|
Secondary analysis of a randomized controlled trial evaluating motivational interviewing to enhance TKA outcomes
|
Risk Adjustment
|
Propensity Score (Pain Catastrophizing Scale score, Charlson Comorbidity Index and baseline WOMAC pain score), preoperative opioid use
|
WOMAC
|
6 months
|
Franklin et al.
|
2010
|
USA
|
6346
|
TKA
|
Retrospective Cohort
|
Prospectively data on a national sample of primary, unilateral TKA patients sponsored by Zimmer, Inc., Warsaw between 2000 and 2005
|
None
|
None
|
KSS
|
12 months
|
Pivec et al.
|
2014
|
USA
|
108
|
THA
|
Retrospective Cohort
|
Prospectively collected database at two institutions that specialize in lower extremity total joint arthroplasty
|
Matching
|
Gender, Unilateral or bilateral total hip arthroplasty (exact), Age (±5 years), BMI (± 4 kg/m2), when possible: insurance type, tobacco use ≥0.5 packs per day, history of psychiatric disorders, history of back pain or surgery
|
HSS
|
58 months (mean)
|
Nguyen et al.
|
2016
|
USA
|
82
|
TKA, THA
|
Retrospective Cohort
|
A single institution database
|
Matching
|
Primary diagnosis, affected joint (hip/knee), American Society of Anesthesiologists’ classification of physical health, sex, BMI (±10 kg/m2), age (±10), daily morphine equivalent group
|
WOMAC
|
6–12 months
|
Goesling et al.
|
2016
|
USA
|
574
|
TKA, THA
|
Retrospective Cohort
|
Secondary analysis of data from a prospective outcome study in patients undergoing TKA and THA
|
None
|
None a
|
WOMAC
|
6 months
|