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Table 3 Univariate and multivariate logistic regression analysis of parameters for cervical myelopathy

From: Predictors of cervical myelopathy and hydrocephalus in young children with achondroplasia

Parameter Univariate analysis Multivariate analysis
OR 95% CI p value OR 95% CI p value
Sex: female 0.73 0.21–2.53 0.62 1.01 0.21–4.79 0.99
Age 0.95 0.86–1.05 0.29 0.98 0.88–1.10 0.77
FM AP 0.46 0.29–0.73 0.001    
Cord constriction ratio 5199.90 31.64–854,573.57 0.001 4059.18 23.04–715,067.58 0.002
Anterior indentation grade 1   0.00-Inf 0.99    
Anterior indentation grade 2   0.00-Inf 0.99    
Posterior indentation grade 1   0.00-Inf 0.99    
Posterior indentation grade 2   0.00-Inf 0.99    
Indentation index 1   0.00-Inf 1.00    
Indentation index 2   0.00-Inf 1.00    
Indentation index 3   0.00-Inf 1.00    
Indentation index 4   0.00-Inf 1.00    
Frontal horn width 1.04 0.97–1.12 0.22 1.01 0.93–1.11 0.77
Evans ratio 32.25 0.00–808,255.26 0.50    
  1. OR Odds ratio, CI confidence interval, FM foramen magnum, AP anterior–posterior diameter, Inf Infinite