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Table 4 Risk factors for rebound 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 Rebound
(N = 3)
Non-rebound
(N = 98)
P Logistic regression
Odds ratio (95% CIa)
P
Age 6.67 ± 2.52 4.64 ± 2.60 0.297 2.03 (0.89–4.61) 0.092
Weight 22.17 ± 6.29 21.20 ± 7.52 0.817 0.83 (0.62–1.12) 0.231
Unilateral 2 (67) 30 (31) 0.235 0.18 (0.01–3.98) 0.279
Genu valgus 3 (100) 60 (61) 0.289   
Idiopathic 1 (33) 47 (48) 1.000 0.83 (0.04–16.52) 0.902
Screw location    0.518 0.45 (0.06–3.24) 0.430
 Distal femur alone 2 (67) 39 (40)    
 Proximal tibia alone 0 (0) 26 (26)    
 Both sites 1 (33) 33 (34)    
Location of the centre of the mechanical axis preoperativelyb    0.596 0.93 (0.05–16.23) 0.962
2  2 (67) 45 (46)    
 3 1 (33) 53 (54)    
  1. aCI indicates confidence interval
  2. babsolute value of the location of the centre of the knee mechanical axis preoperatively (zones 1, 2, 3, -1, -2 and -3)
  3. Values are presented as the mean±SD (range) or frequency (percentage)
  4. Bold values are statistically significant, P < 0.05