Skip to main content

Table 1 Baseline sociodemographic, pain, function and co-morbidity characteristics of patients

From: The role of patient expectations in predicting outcome after total knee arthroplasty

Variable

Baseline value

Demographic/physical variables

 

   Gender (n)

78 women, 34 men

   Age (years)

67 ± 9

   Body weight (kg)

87.5 ± 15 (men), 76.6 ± 15.5 (women)

   Job status (%)

 

Full time

14

Part time

9

Retired/unemployed/homemaker

77

   Marital status (%)

 

Married

61

Widowed

20

Divorced/separated

12

Never married

7

   Living conditions (%)

 

Alone

29

With partner

65

With family

6

Pain, function and co-morbidity variables

 

   Affected knee (%)

 

Left

46

Right

48

Both within 3 months

6

   Pain duration (%)

 

< 6 months

1

6 to 12 months

9

1 to 3 years

23

3 to 5 years

14

> 5 years

53

   Pain intensity (%) (n = 110)

 

None

1

Slight

3

Moderate

30

Severe

66

   When is the pain bothersome? (%)

 

Have no pain

1

First few steps only

6

After long walks (> 30 minutes)

10

Whenever walk

43

Constantly, even at rest

40

   Knee limits ability to do sports (%)

 

No limitation

0

Slightly limits me

0

Moderately limits me

6

Greatly limits me

28

Totally limits me

30

Do not participate in sport for reasons unrelated to my knee

35

   Knee limits/interferes with sexual activity (%)

 

No limitation

24

Slightly limits me

11

Moderately limits me

16

Greatly limits me

8

Totally limits me

1

Not sexually active for reasons unrelated to my knee

40

   Knee limits ability to work (%)

 

No limitation

8

Slightly limits me

13

Moderately limits me

22

Greatly limits me

21

Totally limits me

6

Not working for reasons unrelated to my knee

30

   Other painful joints (back, hip, foot) (%)

65

   American Association of Anaesthesiologists co-morbidity grade (%)

 

Grade I

17

Grade II

51

Grade III

32

  1. Data presented as n, mean ± standard deviation, or percentage.