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Table 3 Comparison of patients by diagnostic profile on univariate and multivariate analysis

From: Earlier diagnosis in anorexia nervosa: better watch growth charts!

  Growth curve deviation before first symptoms a
N = 66
Growth curve deviation after first symptoms
N = 71
Univariate analysisa Multivariate analysisa
OR 95% CI p aOR 95% CI p
ED demographic type
 Pubertal girls 45 (68.2%) 61 (85.9%) 1.0 1.0
 Prepubertal girls 10 (15.2%) 5 (7.1%) 2.7 0.9–8.7 0.08 0.6 0.1–2.6 0.5
 Boys 11 (16.6%) 5 (7.1%) 2.9 0.9–9.4 0.05 1.8 0.2–13.3 0.6
Parental situation
 Together 50 (75.8%) 61 (85.9%) 0.5 0.2–1.2 0.1 0.2 0.04–0.8 0.03
 Separated 16 (24.2%) 10 (14.1%) 1.0 1.0
Residence
 Rural 8 (12.1%) 3 (4.2%) 3.1 0.8–12.6 0.09 2.5 0.3–21.8 0.4
 Urban 58 (87.9%) 68 (95.8%) 1.0 1.0
Family history of ED
 Yes 15 (22.7%) 18 (25.4%) 0.9 0.4–1.9 0.7    
 No 51 (77.3%) 53 (74.6%) 1.0    
Age at diagnosis (years), median (IQR) 14.0 (12.7–14.8) 14.0 (12.5–14.9) 0.9 0.8–1.1 0.5    
Current BMI (kg/m2) (SD), median (IQR) 0.3 (−0.7–1.1) 0.4 (−0.2–1.1) 0.9 0.7–1.2 0.5    
Weight loss rate (% body mass/month), median (IQR) 0.4 (0.2–0.8) 1.90 (1.1–3) 0.09 0.04–0.2 < 0.0001 0.07 0.03–0.2 < 0.0001
  1. a Reference group: Patients with growth curve deviation before first symptoms, i.e., longer auxological TTD than symptomatic TTD
  2. BMI body mass index, ED eating disorder, OR odds ratio, aOR adjusted odds ratio, CI confidence interval