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Table 1 Patient characteristics of the study group

From: Association between knee alignment and knee pain in patients surgically treated for medial knee osteoarthritis by high tibial osteotomy. A one year follow-up study

 

Preoperatively

1 year postoperatively

 

All

Men

Women

All

Men

Women

 

n = 182

n = 123

n = 59

n = 156

n = 103

n = 53

Age year

      

mean

52.8

53.7

51

53.2

54.1

51.5

range

34-69

36-69

34-63

35-69

36-69

35-63

BMI kg/m2

      

Mean

28.9

28.8

29.3

29

28.7

29.6

Range

17.9-39.7

23-39

17.9-39.7

21-39.7

23-39

21-39.7

Ahlbäck OA grade * (n)#

      

OA grade 1

30

18

12

26

16

10

OA grade 2

60

40

20

50

32

18

OA grade 3

71

50

21

66

45

21

OA grade 4

13

9

4

9

7

2

OA grade 5

5

1

0

1

1

0

Preop HKA-angle

      

Degrees

      

Mean

170.4

169.9

171.3

170.5

169.9

171.7

range

153-178

153-178

159-178

157-178

157-178

161-178

KOOS Pain

      

Mean

42

47

38

42

45

37

Range

3-86

3-86

3-67

3-81

3-81

3-67

  1. *Ahlbäck classification [8]
  2. # missing data 7 patients
  3. BMI = Body Mass Index
  4. Pre op HKA angle = preoperativ HKA-angle
  5. (<180 degree = varus)
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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