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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)