Characteristic | Value | Normal range for Japanese women in their 30s a |
---|---|---|
Age | 37.2 ± 10.4 years (range: 14 to 59 years) | |
Sex (female participants) | 96.8% | |
Anorexia nervosa subtype (restrictive subtype) | 45 (71.4%) | |
Weight at admission (kg) | 29.1 ± 4.5 | |
Body mass index at admission | 11.5 ± 1.6 | 14.1–28.9 |
Hemoglobin (g/dl) | 12.0 ± 2.8 (7.45 ± 0.99 mmol/l) | 11.4–14.6 (7.07–9.06 mmol/l) |
Albumin (g/dl) | 3.7 ± 0.7 | 4.1–5.0 |
Serum potassium level (mmol/l) | 3.5 ± 0.9 | 3.6–4.7 |
Blood urea nitrogen (mg/dl) | 27.7 ± 24.5 (9.89 ± 8.75 mmol/l) | 7.7–17.7 (2.75–6.32 mmol/l) |
Creatinine (mg/dl) | 0.86 ± 0.56 (0.08 ± 0.05 mmol/l) | 0.49–0.76 (0.04–0.04 mmol/l) |
Blood urea nitrogen/creatinine ratio at admission | 33.6 ± 19.8 | |
Serum phosphorus level at admission (mg/dl) | 3.9 ± 1.4 (1.23 ± 0.45 mmol/l) | 3.0–4.5 (0.97–1.45 mmol/l) |
Nadir serum phosphorus level (mg/dl) | 2.6 ± 0.8 (0.84 ± 0.26 mmol/l) | 3.0–4.5 (0.97–1.45 mmol/l) |
Total caloric intake during the first 7 days (kcal/day) | 1233 ± 590 | |
Weight gain during the first 7 days (kg) | 1.1 ± 1.8 | |
Weight gain during hospitalization (kg) | 2.9 ± 2.5 | |
Intravenous phosphorus administration during the first 7 days (mmol/day) | 9.2 ± 6.2 | |
Interval between admission and the hospital day of nadir hypophosphatemia (days) | 3.9 ± 4.0 | |
Duration of hospitalization (days) | 43.3 ± 32.4 |