COVID-19 Update: All SOS locations are open. Mandatory screenings and visitor restrictions are in place. All SOS facilities will require patients to wear a face covering prior to entering SOS as we abide by Governor Cuomo’s directive. 

5/21/2020 Elective Surgery Update and COVID-19 information

What to expect from a Total Hip Replacement and Knee Replacement Surgery

SOS Joint Registry – A Local, Comprehensive Review of Hip Replacement Outcomes

Syracuse Orthopedic Specialists (SOS) has a well-respected, established reputation of expert orthopedic care in Central New York. Its team of surgeons is known for their excellent surgical skills and patient care.  SOS remains committed to this excellence and further improving it.  As part of that commitment, in collaboration with Crouse Hospital and St. Joseph’s Health Center, SOS formed a research department to allow for study of trends and tools in orthopedic care.  


A large portion of the research department’s time has been spent collecting data on total hip and knee replacements performed by SOS surgeons for a Joint Registry. In 2010, the SOS Research Team, led by Michael T. Clarke, MD began collecting data on the outcomes of total hip replacements performed by the SOS joint replacement surgeons. “We started collecting data for a practice registry to audit our own abilities and outcomes and find out where we can improve,” commented Michael Clarke, MD. The current joint registry is powered by over 7,000 procedures and 19,000 patient survey responses.

The SOS Joint Registry is “unique in that it is not commonly found in private orthopedic practice, and the level of data tracked is extensive,” remarks Dr. Clarke. The National Joint Registry tracks revision rates only, while the SOS Joint Registry tracks not only revision rates, but also the patient’s and surgeon’s clinical outcome in terms of pain relief and function. “We were quite pleased to learn that SOS is well above national and international benchmarks in almost all criteria that were measured,” stated Dr. Clarke.

  • The SOS Joint Registry Reports:9 out of 10 hip replacement patients report improved outcomes scores by 6 weeks after surgery.
  • Over 98% of hip replacement patients report improved outcomes scores by 6 months after surgery.
  • Approximately 90% of hip replacement patients report they are extremely or mostly satisfied at 6 weeks after surgery.
  • 92% of hip replacement patients report that surgery met or exceeded their expectations with regards to motion and strength one year after surgery.
  • 8 out of 10 knee replacement patients report improved outcomes scores by 6 weeks after surgery.
  • Over 91% of knee replacement patients report improved outcomes scores by 3 months after surgery.
  • Approximately 86% of knee replacement patients report they are very satisfied or satisfied with their pain level one year after surgery.

Joint Replacement Surgery Options

The SOS Joint Replacement Program is one of the nation's best, with more than 3,000 surgeries performed annually. The surgeons on the SOS joint replacement team are fellowship-trained, highly experienced and skilled in total joint replacement treatments in Syracuse, NY.

Common Joint Replacement Procedures include:

Hip Replacement, Knee Replacement, Minimally Invasive Knee Replacement, Revision Hip Replacement Surgery.

Learn more about our Joint Replacement Surgery procedures here.

The Right Options. Better Movement. Total Orthopedic Care.


In addition to reported patient satisfaction the SOS Joint Registry uses five validated outcome instruments to measure pain and functionality in the surgical population, and exceeded the benchmark of most of these scoring instruments:

  1. The Harris Hip Score is intended to measure pain, function, deformity and range of motion in adult patients with varying hip disabilities.
  2. The Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) index is intended to measure pain, stiffness and physical function in patients with osteoarthritis.
  3. The Oxford Hip Score is intended to measure difficulty associated with hip pain in patients undergoing total hip replacement.
  4. The SF12v2 is intended to monitor health outcomes and measure physical and mental status of patients.
  5. The UCLA Activity Score is intended to assess physical activity patients undergoing total joint arthroplasty.

© 2014 Syracuse Orthopedic Specialists