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Table 3 Risk of negative or perforated appendectomy adjusted for confounders by logistic regression

From: Does access to care affect outcomes of appendicitis in children? - a population-based cohort study

Covariate Negative Appendectomy Perforated Appendicitis
  OR† (95% CI) OR† (95% CI)
  Unadjusted Adjusted Unadjusted Adjusted
Rural living 1.42 (1.16, 1.76)** 1.28 (1.01, 1.61)** 1.11 (0.96, 1.28)  
Availability of surgeon in the region 0.64 (0.52, 0.79)*** 0.66 (0.52, 0.83)** 0.96 (0.83, 1.10)  
Low family income 0.99 (0.98, 1.00) 0.98 (0.97, 0.99)* 0.99 (0.99, 1.00) 0.99 (0.98, 0.99)*
Home language: English 1.01 (1.00, 1.02)   1.00 (0.99, 1.01)  
Below high school education § 1.01 (0.97, 1.06)*   1.00 (0.97, 1.03)  
Ultra-sound use 0.99 (0.95, 1.02)   0.98 (0.96, 1.01) 0.83 (0.72, 0.95)*
Immigrants 0.87 (0.69, 1.09)   1.01 (0.87, 1.18)  
  1. † Odds Ratio and its corresponding 95% confidence intervals
  2. § Reference category is high school education
  3. * p < 0.05, ** p < 0.001, *** p < 0.0001