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Table 2 Preoperative WOMAC, KSS, CES-D10, and pain VAS scores according to patients’ characteristics*

From: Factors affecting the quality of life after total knee arthroplasties: a prospective study

 

Gender

Age

BMI

Level of education

Social support

Residence

male

female

<65 years

≥ 65 years

<30

≥30

low§

high

yes

no

rural

urban/semi-

WOMAC scale

Pain

10.3(4.5)

12.2(3.8) ††

12.4(3.4)

11.6(4.2)

11.1(4.1)

12.4(3.8)†

12.3(4.2)

11.7(3.9)

11.8(4.1)

11.7(3.5)

11.7(4.5)

11.9(3.7)

Function

34.7(14.1)

39.6(10.1)†

37.8(12.4)

38.6(10.9)

36.2(11.6)

40.5(10.6)†

42.1(10.7)

37.9(11.3)

38.3(11.9)

39.5(7.3)

38.7(12.7)

38.4(10.3)

Stiffness

3.6(1.8)

4.2(1.5)†

3.9(1.7)

4.1(1.6)

3.9(1.6)

4.2(1.6)

4.6(1.3)

3.9(1.6)

4.1(1.6)

3.9(1.6)

4.1(1.5)

4.0(1.7)

KSS

Knee score

45.3(18.8)

39.2(17.6)†

38.8(19.3)

41.4(17.6)

41.3(19.6)

39.9(16.6)

38.9(15.8)

41.6(18.2)

40.41(18.4)

41.1(16.0)

40.9(18.3)

40.3(17.9)

Function score

37.5(13.2)

32.5(11.7)†

37.5(15.9)

33.9(10.4)

36.1(13.7)

33.03(10.4)

33.6(10.5)

34.61(12.4)

34.8 (11.9)

32.5(12.7)

34.1(11.2)

34.7(12.7)

CES-D10

5.9(6.1)

10.4(6.4)††

10.0(6.5)

8.8(6.6)

8.1(0.7)

9.9(0.6)

9.8(6.8)

8.8(6.7)

8.7(6.6)

11.3(6.1)†

9.5(6.8)

8.9(6.5)

Pain VAS

7.9(2.1)

9.0(1.6)††

9.0(1.4)

8.6(1.9)

8.5(2.0)

9.0(1.4)

9.9(1.6)

8.7(1.8)

8.6(1.8)

9.2(1.3)

8.6(2.0)

8.8(1.6)

  1. * Values are mean ± SD; † P < 0.05, †† P < 0.01; §Elementary or less.
  2. WOMAC scores: pain 0–20, function 0–68, stiffness 0–8; higher scores indicate greater difficulty.
  3. KSS: Knee score 100–0, Functional score 100–0, higher scores indicate better health state.
  4. CES-D10 scores: > 10 indicate depression; Pain VAS: 0–10, better to worse.