Table 1.

Sample characteristics.

	Sample 1	Sample 2
	All Wards for ED	Intermediate Care Unit
All inpatients 2015–2021		520
Diagnosis Anorexia nervosa F50.0	4121	410
Laboratory parameter complete	3755	339
Hospital stay > 28 d and BMI < 13		142
age	22.7 y, SD 9.8	26.4 y, SD 9.4
	(range 12–73 y)	(range 18–62 y)
female/male	3598/157	142 female
Weight (kg) admission	42.8 kg, SD 8.1	31.5, SD 3.6
	(range 22 -81 kg)	(23.5–40.1)
BMI admission	15.4 SD 2.4	11.5 SD 0.85
	(range 8.1–27)	(range 8.4–13)