American Joint Replacement Registry 2017 Annual Report Figures Published November 2017 Connect and learn more at www.ajrr.net These slides are put together with the intent to be used in presentations where discussions around the AJRR 2017 Annual Report findings are being discussed. For more information, please contact AJRR’s Marketing and Communications department at info@ajrr.net

Facility Enrollment 2011-2017 ©2017 American Joint Replacement Registry

Geographic Distribution of AJRR Participating Facilities (N=854) ©2017 American Joint Replacement Registry

Number of Facilities Submitting Data by Year ©2017 American Joint Replacement Registry

Teaching Affiliation of Submitting Hospitals (N=615) ©2017 American Joint Replacement Registry

Hospital Size (Bed Count) of Submitting Hospitals (N=615) ©2017 American Joint Replacement Registry

Total Number of Surgeons Submitting Data by Year ©2017 American Joint Replacement Registry

2016 Average Procedural Volume for Participating Surgeons ©2017 American Joint Replacement Registry

Cumulative Procedural Volume ©2017 American Joint Replacement Registry

Procedural Volume by Year ©2017 American Joint Replacement Registry

Distribution of Procedures (N=860,080) ©2017 American Joint Replacement Registry

ASCs Annual Procedure Volume ©2017 American Joint Replacement Registry

Sex of Patients (N=860,080) ©2017 American Joint Replacement Registry

Race of Patients (N=860,080) ©2017 American Joint Replacement Registry

AJRR Revision Burden 2012-2016 ©2017 American Joint Replacement Registry

Age Distribution of Hip Arthroplasty Procedures 2012-2016 (N=313,246) ©2017 American Joint Replacement Registry

Gender Distribution of Primary Hip Arthroplasty by Age 2012-2016 (N=277,200) ©2017 American Joint Replacement Registry

Procedure Codes for All Hip Procedures 2012-2016 (N=349,996) ©2017 American Joint Replacement Registry

Hemiarthroplasty as a Percentage of All Hip Arthroplasty in 2012-2016 (N=32,816) ©2017 American Joint Replacement Registry

Hemiarthroplasty and Total Hip Arthroplasty Performed for the Diagnosis of Femoral Neck Fracture (N=29,157) ©2017 American Joint Replacement Registry

Cemented and Cementless Femoral Stems in Hemiarthroplasty (N=26,394) ©2017 American Joint Replacement Registry

Percent of Cemented Stems in Hemiarthroplasty Based on Age (N=10,208) ©2017 American Joint Replacement Registry

Unipolar Heads in Hemiarthroplasty Based on Age (N=10,636) ©2017 American Joint Replacement Registry

Hip Resurfacing as a Percentage of All Hip Arthroplasty by Year (N=3,834) ©2017 American Joint Replacement Registry

Femoral Head Sizes Implanted by Year (N=251,324) ©2017 American Joint Replacement Registry

Composition of Femoral Heads (N=315,824) ©2017 American Joint Replacement Registry

Ceramic Femoral Head Usage by Patient Decade of Life (N=142,985) ©2017 American Joint Replacement Registry

Percentage of Cobalt Chrome and Ceramic Heads Used with Cross-Linked Polyethylene and Antioxidant Polyethylene Acetabular Liners (N=249,746) Neck ©2017 American Joint Replacement Registry

Enhanced Liner Use and Head Composition (N=24,675) ©2017 American Joint Replacement Registry

Femoral Head/Acetabular Shell Diameter Combination Frequency ©2017 American Joint Replacement Registry

Polythylene Usage in Acetabular Liners (N=235,825) ©2017 American Joint Replacement Registry

Cemented and Cementless Stems in Primary Hip Arthroplasty by Decade of Life (N=218,273) ©2017 American Joint Replacement Registry

Frequency and Percentage of Dual Mobility Cups Implanted by Year (N=23,224) ©2017 American Joint Replacement Registry

Frequency of Modular Neck Stems Implanted by Year (N=4,238) ©2017 American Joint Replacement Registry

ICD Diagnosis Codes for All Hip Revisions (N=31,783) ©2017 American Joint Replacement Registry

Time Interval Between Primary Hip and Revision for “Linked” Patients (N=8,245) ©2017 American Joint Replacement Registry

ICD Diagnosis Codes for “Linked” Hip Revisions (N=8,245) ©2017 American Joint Replacement Registry

Most Frequently Reported Diagnosis Codes for Hip Revisions (<3 Months to Revision) ©2017 American Joint Replacement Registry

Age Distribution of Knee Arthroplasty Procedures 2012-2016 (N=510,084) ©2017 American Joint Replacement Registry

Primary Knee Implant Design by Year (N=389,355) ©2017 American Joint Replacement Registry

Mobile-Bearing Designs as a Percentage of All Knee Arthroplasty (N=36,592) ©2017 American Joint Replacement Registry

Unicompartmental Knee Arthroplasty as a Percentage of All Primary Knee Arthroplasty (N=19,357) ©2017 American Joint Replacement Registry

Patellofemoral Arthroplasty as a Percentage of All Primary Knee Arthroplasty (N=1,274) ©2017 American Joint Replacement Registry

Unicompartmental Knee Arthroplasty and Patellofemoral Arthroplasty Utilization ©2017 American Joint Replacement Registry

Percentage of Polyethylene Usage by Year in Primary Knee Arthroplasty (N=406,670) ©2017 American Joint Replacement Registry

Percentage of Polyethylene Usage by Year in Revision Knee Arthroplasty (N=21,800) ©2017 American Joint Replacement Registry

Percentage of Knee Arthroplasty with Patellar Resurfacing (N=396,171) ©2017 American Joint Replacement Registry

ICD Diagnosis Codes for All Knee Revisions (N=25,354) ©2017 American Joint Replacement Registry

Time Interval between Primary Knee and Revision for “Linked” Patients (N=6,683) ©2017 American Joint Replacement Registry

ICD Diagnosis Codes for All “Linked” Knee Revisions (N=5,581) ©2017 American Joint Replacement Registry

Most Frequently Reported ICD Diagnosis Codes for Early Knee Revisions (<3 Months to Revision) ©2017 American Joint Replacement Registry

California State Registry Cumulative Case Volume (N=32,946) ©2017 American Joint Replacement Registry

California State Registry Participants by Size (N=30) ©2017 American Joint Replacement Registry

California State Registry Participants and Cases Reported through June 2017 ©2017 American Joint Replacement Registry

PRO Completion Rates ©2017 American Joint Replacement Registry

WOMAC Hip and Knee Mean Scores Pre-Surgery and One Year Post-Surgery (N=18,764) ©2017 American Joint Replacement Registry

Change in WOMAC Scores Pre-Surgery and One Year Post-Surgery, by Hospital ©2017 American Joint Replacement Registry

VR-12 Hip and Knee Scores for Physical and Mental Function, Pre- Surgery and One Year Post- Surgery for Hip and Knee Replacement Patients (N=22,800) ©2017 American Joint Replacement Registry

Change in VR-12 Physical Score ©2017 American Joint Replacement Registry

Change in VR-12 Mental Component Score ©2017 American Joint Replacement Registry

UCLA Hip and Knee Mean Scores Pre-Surgery and One Year Post-Surgery (N=16,780) ©2017 American Joint Replacement Registry

Change in UCLA Score Pre-Surgery and One Year Post-Surgery, by Hospital ©2017 American Joint Replacement Registry

Age Distribution of Cases in California, and United States, by Procedure ©2017 American Joint Replacement Registry

Mean Body Mass Index (BMI) by Procedure and Gender (N=30,976) ©2017 American Joint Replacement Registry

Principal Diagnoses (N=32,755) ©2017 American Joint Replacement Registry

Mean Length of Stay (N=35,799) ©2017 American Joint Replacement Registry

Observed Comorbidities (N=44,041) ©2017 American Joint Replacement Registry

Observed 90-Day Adverse Events (N=44,041) ©2017 American Joint Replacement Registry

Rates of 90-day Adverse Events, Number of Comorbidities (N=3,384) ©2017 American Joint Replacement Registry

AJRR 2012-2016 and NIS 2012-2014 – Patients with Primary Hip Replacement Surgeries ©2017 American Joint Replacement Registry

AJRR 2012-2016 and NIS 2012-2014 – Patients with Primary Knee Replacement Surgeries ©2017 American Joint Replacement Registry