Skip to main content

Table 3 Risk factors for correction failure by univariate analysis and logistic regression analyses

From: Temporary hemiepiphysiodesis using an eight‐plate implant for coronal angular deformity around the knee in children aged less than 10 years: efficacy, complications, occurrence of rebound and risk factors

Influencing factors

Correction failure

(N = 6)

Correction success (N = 95)

P

Logistic regression

Odds ratio (95% CIa)

P

Age

5.75 ± 3.55 (1.5–10)

4.64 ± 2.55 (1–10)

0.481

1.46 (0.68–3.14)

0.331

Weight

21.10 ± 11.10 (9.6–35)

21.24 ± 7.26 (9.3–46)

0.977

0.96 (0.75–1.23)

0.762

Unilateral

1 (17)

31 (33)

0.662

5.23 (0.35–77.54)

0.229

Genu valgus

3 (50)

60 (63)

0.670

1.09 (0.11–11.06)

0.942

Idiopathic

1 (17)

47 (49)

0.056

2.47 (1.20–5.10)

0.014

Correction location

  

0.432

0.41 (0.10–1.77)

0.232

 Distal femur alone

2 (33)

39 (41)

   

 Proximal tibia alone

3 (50)

23 (24)

   

 Both sites

1 (17)

33 (35)

   

Preoperative location of centre of the mechanical axisb

  

0.211

7.65 (0.55-106.61)

0.130

 2

1 (17)

46 (48)

   

 3

5 (83)

49 (52)

   
  1. aCI indicates confidence interval
  2. bPreoperative location of the centre of the knee mechanical axis: zones 2, 3, -2 and − 3
  3. Bold values are statistically significant, P < 0.05
  4. Values are presented as the mean ± SD (range) or frequency (percentage)