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Table 3 WOMAC dimension scores at baseline and 12 months after THA and TKA

From: Patient-reported quality of life after primary major joint arthroplasty: a prospective comparison of hip and knee arthroplasty

 

THA WOMACa

TKA WOMACa

PAIN

FUNCTION

STIFFNESS

PAIN

FUNCTION

STIFFNESS

Pre-op

12 m

Pre-op

12 m

Pre-op

12 m

Pre-op

12 m

Pre-op

12 m

Pre-op

12 m

post-op

post-op

post-op

post-op

post-op

post-op

GENDER

            

 Men

10.7 (3.9)

1.0 (2.1)

42.3 (4.8)

12.6 (9.3)

3.0 (1.1)

0.9 (1.1)

10.3 (4.5)

1.6 (2.4)

34.7 (14.1)

7.5 (9.4)

3.6 (1.8)

0.7 (0.9)

 Women

12.5 (3.5)*

1.3 (2.2)

46.1 (5.7)**

12.8 (8.0)

4.7 (1.5)

0.7 (1.0)

12.2 (3.8)*

1.4 (2.4)

39.6 (10.1)*

7.2 (8.1)

4.2 (1.5)

0.8 (1.1)

AGE

            

  < 65

12.0 (3.6)

1.4 (1.5)

45.1 (5.7)

12.4 (8.1)

4.0 (1.4)

0.8 (0.9)

12.4 (3.4)

1.3 (1.9)

37.8 (12.4)

5.3 (6.7)

3.9 (1.7)

0.7 (0.9)

  ≥ 65

11.9 (3.7)

1.0 (1.1)

45.2 (5.5)

13.1 (8.6)

4.1 (1.5)

0.7 (1.0)

11.6 (4.2)

1.7 (2.5)

38.6 (10.9)

7.9 (8.8)

4.1 (1.6)

0.9 (1.1)

BMI

            

  < 30

10.6 (3.8)

1.0 (1.0)

44.0 (5.3)

12.2 (8.6)

4.2 (1.5)

0.7 (0.6)

11.1 (4.1)

1.5 (2.2)

36.2 (11.6)

6.4 (8.1)

3.9 (1.6)

0.8 (1.0)

  ≥ 30

13.2 (3.1)**

1.7 (1.8)

48.3 (5.4)**

14.3 (9.0)

4.1 (1.4)

0.9 (0.8)

12.4 (3.8)*

1.7 (2.6)

40.5 (10.6)*

7.9 (8.6)

4.2(1.6)

0.9 (1.0)

EDUCATION

            

 Low (elementary or less)

13.1 (4.1)

0.7 (0.1)

46.3 (5.3)

10.9 (8.8)

4.1 (1.6)

0.4 (0.3)

12.3 (4.2)

1.1 (1.5)

42.1 (10.7)

6.4 (7.7)

4.6 (1.3)

0.9 (1.1)

 High

11.9 (3.6)

1.2 (0.1)

45.1 (5.6)

11.8 (8.6)

4.0 (1.3)

0.8 (0.6)

11.7 (3.9)

1.7 (2.5)

37.9 (11.3)

7.4 (8.5)

3.9 (1.6)

0.5 (0.7)

SOCIAL SUPPORT

            

 Yes

11.8 (3.7)

1.3 (1.1)

45.1 (5.8)

13.1 (7.0)

4.0 (1.4)

0.8 (0.7)

11.8 (4.1)

1.5 (2.3)

38.3 (11.9)

7.0 (8.5)

4.1 (1.6)

0.8 (1.0)

 No

12.8 (3.6)

0.9 (1.4)

45.6 (4.8)

11.2 (6.9)

4.3 (1.5)

0.5 (0.3)

11.7 (3.5)

2.1 (2.9)

39.5 (7.3)

8.4 (8.1)

3.9 (1.6)

0.9 (1.1)

RESIDENCE

            

 Rural

12.9 (3.7)

1.4 (1.5)

45.4 (5.9)

14.0 (9.8)

4.1 (1.2)

0.9 (1.0)

11.7 (4.5)

1.7 (2.4)

38.7 (12.7)

7.2 (8.1)

4.1 (1.5)

0.9 (1.1)

 Urban/semi-

11.7 (3.6)

1.1 (1.1)

45.1 (5.5)

12.3 (8.4)

4.1 (1.0)

0.7 (1.0)

11.9 (3.7)

2.1 (2.8)

38.4 (10.3)

8.3 (9.3)

4.0 (1.7)

0.7 (0.9)

  1. WOMAC scores: pain 0–20, function 0–68, stiffness 0–8; higher scores indicate greater difficulties
  2. aValues are mean ± SD, *P ≤ 0.05, **P ≤ 0.005
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