Skip to main content

Table 3 Preoperative, postoperative, and pre/post-change (Δ) KOOS, JR scores stratified by BMI classification

From: Does body mass index influence improvement in patient reported outcomes following total knee arthroplasty? A retrospective analysis of 3918 cases

BMI

18.5–25 kg/m2

25.01–30 kg/m2

30.01–40 kg/m2

 > 40 kg/m2

P-value

KOOS, JR

n = 206

n = 569

n = 925

n = 219

 

 Preoperative

51.7 ± 14.4

48.8 ± 14.0

45.0 ± 15.1

44.4 ± 15.0

< 0.001

 Postoperative

66.4 ± 15.2

64.7 ± 15.4

63.3 ± 15.0

64.2 ± 16.8

0.047

 Δ

14.6 ± 17.7

15.9 ± 17.1

18.3 ± 17.8

21.4 ± 19.6

< 0.001

  1. Bold indicates statistical significance
  2. BMI body mass index, KOOS, JR knee injury and osteoarthritis, joint replacement
Back to article page

Knee Surgery & Related Research

ISSN: 2234-2451