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Table 1 Relevant prior observational studies investigating success rates of patients with severe obesity initially denied total knee arthroplasty (TKA) or total hip arthroplasty (THA) reaching a body mass index (BMI) < 40 kg/m2 without bariatric surgery

From: Obesity, preoperative weight loss, and telemedicine before total joint arthroplasty: a review

 

Achieved BMI < 40 before TKA

Achieved BMI < 40 before THA

Achieved BMI < 40 before TJA

Shapiro study (n = 128) [27]

10.1%

0.0% or 3.4%*

7.8% or 8.6%*

Springer study (n = 289) [28]

4.2%

14.7%

6.9%

Overall (n = 417)

6.1%

10.6% or 11.5%*

7.2% or 7.4%*

  1. TKA total knee arthroplasty; THA total hip arthroplasty; TJA total joint arthroplasty
  2. *The paper by Shapiro et al did not specify if the one individual who achieved BMI < 40 before THA did so via lifestyle modifications or bariatric surgery so both rates are listed.
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Arthroplasty

ISSN: 2524-7948

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