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Table 3 Morgan-Russell subscale E2 (emancipation from family);comparisons between AN and COMP group at 6-, 10- and 18-year follow-up

From: Effects of autism spectrum disorders on outcome in teenage-onset anorexia nervosa evaluated by the Morgan-Russell outcome assessment schedule: a controlled community-based study

Follow-up AN group COMP group Singly ordered r × c contingency tables Kruskal-Wallis test Exact Monte Carlo
  Response category Response category Test statistic P (99% CI)
  0 4 8 12 0 4 8 12   
6 year 3 9 9 30 0 2 11 38 4.492 0.032 (0.027 to 0.036)
10 year 2 5 9 35 0 1 12 38 0.948 0.34 (0.33 to 0.35)
18 year 2 3 9 37 0 0 4 47 7.158 0.007 (0.005 to 0.009)
Analysis for time trend doubly ordered r × c contingency tables Linear-by-linear association test Linear-by-linear association test Stratified r × c contingency tables Cochran-Mantel-Haenszel test  
Test statistic +1.715 +2.378 15.8  
Exact Monte Carlo P 0.097 0.022 0  
99% CI 0.09 to 0.104 0.018 to 0.025 0 to 0.0005  
  1. AN anorexia nervosa, COMP comparison, CI confidence interval, r × c rows and columns.