Table 1 Demographics and clinical data
Inpatients at 70–75% TGW (N = 52 unless stated otherwise) | Inpatients at < 70% TGW (N = 29 unless stated otherwise) | P value | |||||||
|---|---|---|---|---|---|---|---|---|---|
N | Percent | Range | Mean (± SD) | N | Percent | Range | Mean (± SD) | ||
Gender | |||||||||
Female | 46 | 88.5% | 27 | 93.1% | |||||
Male | 5 | 9.6% | 2 | 6.9% | |||||
Transgender | 1 | 1.9% | |||||||
Race | |||||||||
Caucasian | 47 | 90.4% | 23 | 79.3% | |||||
Asian | 3 | 5.8% | 1 | 3.4% | |||||
Not specified | 2 | 3.8% | 5 | 17.2% | |||||
Ethnicity | |||||||||
Non-Hispanic/Latino | 51 | 98.1% | 24 | 82.8% | |||||
Hispanic/Latino | 1 | 1.9% | 4 | 13.8% | |||||
Not specified | 1 | 3.4% | |||||||
Diagnosis | |||||||||
Anorexia nervosa | 31 | 59.6% | 18 | 62.1% | |||||
Avoidant-restrictive | |||||||||
Food intake disorder | 2 | 3.8% | 2 | 6.9% | |||||
Unspecified eating disorder | 19 | 36.5% | 9 | 31.0% | |||||
Age (years) | 11.6–25.2 | 17.8 (3.5) | 12.4–24.6 | 17.0 (3.5) | 0.327 | ||||
Height (cm) | 140–180 | 162.5 (8.8) | 143–180 | 161.1 (11.0) | 0.533 | ||||
Admission weight (kg) | 25–60.6 | 41.0 (5.9) | 23.9–44.9 | 36.0 (5.8) | < 0.001* | ||||
Admission TGW (kg) | 34.6–82.6 | 56.7 (8.1) | 35.3–70.2 | 55.0 (9.0) | 0.381 | ||||
%TGW on admission | 70–74% | 72.3% (1.3%) | 55–69% | 65.6% (3.2%) | < 0.001* | ||||
Admission BMI (kg/m2) | 12.6–19.7 | 15.5 (1.3) | 11.3–17.1 | 13.8 (1.3) | < 0.001* | ||||
BMI z-score | − 4.9 to (− 0.15) | − 2.6 (1.2) | − 7.8 to (− 2) | − 3.8 (1.6) | < 0.001* | ||||
Percent of total weight lost since onset of restrictive behaviors | 50 | 3.6–55% | 23.8 (10.5) | 6–40.5% | 27.0 (9.3) | 0.178 | |||
Duration of illness (months) | 51 | 1–150 | 20.0 (33.5) | 3–36 | 15.1 (9.9) | 0.445 | |||
Amenorrhea (months) | 23 | 2–27 | 7.2 (7.6) | 16 | 0–24 | 7.8 (8.2) | 0.816 | ||
Caloric intake prior to admission (kcal/day) | 38 | 450–3500 | 1446 (757) | 24 | 300–3500 | 1322 (706) | 0.522 | ||
Initial inpatient caloric intake (kcal/day) | 1250–4250 | 1856 (685) | 1000–4000 | 1741 (621) | 0.456 | ||||
Caloric increase (kcal/day) | 0–500 | 239 (79) | 0–333.33 | 249 (62) | 0.559 | ||||
Length of admission (days) | 2–17 | 7.8 (3.1) | 2–24 | 11.2 (4.9) | < 0.001* | ||||
Electrolyte derangements | 14 | 26.9% | 10 | 34.5% | |||||
Potassium ≤ 3.5 mEq/L | 9 | 64.2% | 7 | 70.0% | |||||
Phosphorous ≤ 3.0 mg/L | 8 | 57.1% | 6 | 60.0% | |||||
Magnesium ≤ 1.4 mEq/L | 0 | 0% | 1 | 10.0% | |||||
Received electrolyte supplementation | 4 | 7.6% | 3 | 10.3% | |||||
Discharge caloric intake (kcal/day) | 1750–4250 | 3370 (455) | 2000–4250 | 3500 (551) | 0.257 | ||||
Discharge weight (kg) | 27–62.9 | 43.7 (6.2) | 27.2–52.1 | 40.0 (6.3) | 0.012 | ||||
Discharge %TGW | 69–83% | 77.1% (3.2%) | 61–80% | 72.9% (3.7%) | < 0.001* | ||||
Overall change in percent of TGW | − 1 to 10% | 4.8% (2.9%) | − 1 to 12% | 7.3% (3.3%) | < 0.001* | ||||
Discharge BMI | 13.3–20.5 | 16.5 (1.5) | 12.9–18.46 | 15.3 (1.4) | < 0.001* | ||||
Overall change in BMI | − 0.2 to 2.3 | 1.0 (0.6) | 0–2.70 | 1.5 (0.7) | 0.001 | ||||