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Table 2 Preoperative data of satisfied and dissatisfied patients (mean ± standard deviation)

From: Preoperative low scores of Life Satisfaction Rating predicts poor outcomes after total knee arthroplasty: a prospective observational study

Factors

Satisfied

Dissatisfied

p value

Number

446

86

–

LSR

18.5 ± 3.8

15.4 ± 4.1

0.001*

SF-36 PCS

32.3 ± 9.6

30.0 ± 10.1

0.044*

SF-36 MCS

51.6 ± 12.2

52.9 ± 12.2

0.393

WOMAC pain

10.2 ± 4.0

11.2 ± 3.8

0.038*

WOMAC stiffness

4.7 ± 0.7

4.6 ± 0.8

0.134

WOMAC function

30.8 ± 9.2

33.3 ± 9.2

0.022*

  1. SF-36 short-form health survey of 36 questions, PCS physical component summary, MCS mental component summary, WOMAC Western Ontario and McMaster Universities Osteoarthritis Index
  2. *Statistically significant difference between groups
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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X