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Table 1 Zero-order correlations among study variables before surgery

From: The prognostic value of pain catastrophizing in health-related quality of life judgments after Total knee arthroplasty

 

M

SD

1

2

3

4

5

6

7

8

9

10

1. Sex

            

2. Age

67.1

8.2

−.05

         

3. BMI

30.9

5.2

−.02

.36*

        

4. Comorbid

2.9

1.4

−.08

.27*

−.02

       

5. PCS

12.6

11

−.10

−.10

.08

.19*

      

6. PHQ-9

6.7

7.0

−.02

−.13

.01

.17

.51**

     

7. Pain

10.6

3.5

−.07

−.28*

.21*

.13

.36**

.31*

    

8. Function

38.0

12.5

.02

−.20*

.17

.20

.38**

.39**

.74**

   

9. Stiffness

4.7

1.5

−.17

−.38**

.20*

.01

.30*

.31*

.68**

−.67**

  

10. SF-12 PCS

30.5

8.1

.18

.01

−.12

−.24*

−.19*

−.25*

−.32**

−.42**

−.30*

 

11. SF-12 MCS

43.1

10.5

.03

.06

−.06

−.27*

−.48**

−.57**

−.27*

−.27**

−.21*

.06

  1. Note: N = 116. PCS = Pain Catastrophizing Scale; PHQ-9 = Patient Health Questionnaire; BMI = Pre-surgical Body Mass Index; Comorbid = comorbid health conditions; Pain = WOMAC Pain Score; Function = WOMAC Physical Function Score; Stiffness = WOMAC Stiffness Score; SF-12 PCS = SF-12 Physical component score of Quality of Life; SF-12 MCS = SF-12 Mental component score of Quality of Life
  2. *p < .05, **p < .001
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Health and Quality of Life Outcomes

ISSN: 1477-7525

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