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Table 2 Multivariable logistic regression model (0 = not seen, 1 = visualized)

From: Factors affecting perception of the normal pediatric appendix on sonography

Model for pediatrics (age < 18)Odds ratio (95% confidence interval)p value
Age in years1.04 (0.94, 1.15)0.430
Patient sex (0 = male (ref), 1 = female)0.50 (0.22, 1.14)0.099
US time in minutes1.04 (1.01, 1.07)0.012
Experience in years1.07 (1.02, 1.13)0.012
  1. Cox and Snell R-square = 0.17; overall model Chi-square = 22.0, p < 0.001