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Table 5 Risk factors for complications 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

Influence factors

Complications

(N = 5)

No complications (N = 96)

P

Logistic regression

Odds ratio (95% CIa)

P

Age

4.71 ± 2.61 (1.5–10)

4.64 ± 2.91 (1–8)

0.963

1.10 (0.48–2.55)

0.817

Weight

18.54 ± 3.10 (11.4–29)

21.37 ± 7.50 (9.3–46)

0.421

0.94 (0.71–1.23)

0.641

Genu valgus

2 (40)

61 (64)

0.362

0.94 (0.05–18.34)

0.965

Idiopathic

0 (0)

48 (50)

0.058

3.96 (1.27–12.39)

0.018

Correction location

  

0.616

1.58 (0.24–10.49)

0.635

 Distal femur alone

1 (20)

40 (42)

   

 Proximal tibia alone

2 (40)

24 (25)

   

 Both sites

2 (40)

32 (33)

   

Preoperative location of the centre of the mechanical axisb

  

1.000

0.57 (0.03–11.01)

0.711

 2

2 (40)

45 (47)

   

 3

3 (60)

51 (53)

   
  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)