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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