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Table 2 Clinical data of the patients

From: Open-wedge high tibial osteotomy for spontaneous osteonecrosis of the medial tibial plateau shows excellent clinical outcomes

Patient number

Age (years)

Sex (F/M)

BMI (kg/m2)

DEXA t value

Interval symptom to ON (weeks)

Stage

FTA (°)

Follow-up (Months)

1

56

F

24.2

−0.6

8

4

180.6

71.1

2

58

F

22.1

−3.7

20

4

182

70.5

3

67

F

22.9

0.4

20

3

184

61.2

4

54

F

28.8

−1.2

28

3

177

52.5

5

60

M

23.6

−0.4

12

3

179.3

42.4

6

66

F

24.0

2.4

4

4

179

37.0

7

67

M

20.1

−0.7

12

3

177

31.4

8

66

F

23.6

−1.2

6

4

179

29.5

9

75

F

22.6

−3.1

3

3

177.1

28.1

10

44

M

34.6

−0.3

20

4

182

27.1

11

55

M

26.3

−1.9

12

4

178

25.7

12

57

M

22.2

−0.3

16

4

178

25.1

  1. Mean (standard deviation, range)
  2. Abbreviations: F/M Female/male, BMI Body mass index, DEXA Dual energy X-ray absorptiometry, ON Osteonecrosis, FTA Femorotibial angle
  3. Staging of tibial osteonecrosis according to Carpintero, Lotke, and the modified Ficat and Arlet classification