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Table 4 Univariate analyses of parameters

From: Prognostic factors for medial open-wedge high tibial osteotomy with spacer implantation in patients with medial compartmental knee osteoarthritis

Factors

Effective group (n = 88)

Invalid group (n = 16)

P value

Unadjusted ORs

95% CIs

P value

Age (y)

≤ 70

78 (89)

9 (56)

0.001*

Ref

  

> 70

10 (11)

7 (44)

 

6.607

1.851–19.882

0.003*

BMI (kg/m2)

≤ 30

67 (76)

8 (50)

0.032*

Ref

  

> 30

21 (24)

8 (50)

 

3.190

1.067–9.544

0.038*

K–L grade

II–III

79 (90)

9 (56)

0.001*

Ref

  

IV

9 (10)

7 (44)

 

6.827

2.047–22.772

0.002*

Pre-HKAA (°)

≤ 10

68 (77)

8 (50)

0.024*

Ref

  

> 10

20 (23)

8 (50)

 

2.667

0.900–7.904

0.077*

  1. Data are presented as n (%)
  2. BMI body mass index, K–L grade Kellgren–Lawrence grade, HKAA hip–knee–ankle angle
  3. *P value < 0.1