Table 2.

Clinical characteristics at discharge.

	Children with AN n = 72	Adolescents with AN n = 217	Mann–Whitney U
	M ± SD or Median (Q1, Q3)	M ± SD or Median (Q1, Q3)	p
BMI at discharge	17.4 ± 1.4	18.6 ± 1.3	a
BMI percentile at discharge	19.3 (11.5, 27.3)	15.1 (7.0, 24.5)	0.011
Duration of hospital treatment (weeks)	17.0 (13.0, 21.0)	17.0 (12.0, 21.0)	0.771

BMI (kg/m²) = body mass index, Q1 = 1st quartile, Q3 = 3rd quartile. a: Differences between absolute BMI values of these two groups were not calculated because they are age- and height related and do not give any additional information about treatment outcome.