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Table 2 Eating disorder outcome at follow-up in patients with and without meal-related physical restraint episodes during the admission

From: Physical restraint during inpatient treatment of adolescent anorexia nervosa: frequency, clinical correlates, and associations with outcome at five-year follow-up

 All patients
n = 38
Meal-related physical restraint
n = 8
No meal-related physical restraint
n = 30
TestP-valueEffect sizec
Inpatient treatment during follow-up (number of patients)1459χ2 (1, N = 38) = 2.792p < 0.10φ = 0.27
Any DSM-5 ED diagnosis at follow-up (number of patients)16610χ2 (1, N = 38) = 4.380p < 0.04φ = 0.34
Follow-up EDE-Q global score (mean (SD))2.15 (1.48)a2.32 (1.52)2.09 (1.50) bt (32) = 0.380p < 0.71d = 0.15
Follow-up BMI (kg/m2) (median)19.5 (95%CI: 18.2–20.6)18.5 (95%CI: 15.6–20.8)19.7 (95%CI: 19.0–20.7)U = 75.500 Z = − 1.594p < 0.12r = − 0.26
  1. an = 34, bn = 26, cby convention, for d, the values 0.2, 0.5 and 0.8 represent a small, medium, and large effect size, respectively, and likewise for r and φ by the values 0.1, 0.3, and 0.5