Table 1 Clinical profiles and biochemical data of women with bulimia nervosa and healthy controls

Body Mass Index (kg/m²)

19.9 (18.4-22.0)

18.6 (18.2-18.6)

19.7 (19.5-21.8)

0.103

Age (years)

28 (25-28)

25 (23-27)

27 (21-29)

0.792

age at the time of disease onset (years)

19 (18-21)

19 (18-20)

disease duration (years)

5.8 (4.0-9.8)

6.0 (3.5-9.0)

frequency of binge eating

2-3/week (2-3/week-1/day)*

1/month (1/month-1/month)

frequency of vomiting

2-3/week (occasionally-1/day)

occasionally (occasionally-occasionally)

uncorrected Ca (mg/dl)

8.8 (8.7-9.3)

9.4 (9.2-9.7)

8.9 (8.7-9.1)

8.5-10.2

0.204

P (mg/dl)

3.6 (2.9-4.1)

3.5 (2.9-3.6)

2.9 (2.5-3.2)

2.4-4.3

0.133

intact PTH (pg/ml)

62 (43-69)

54 (45-55)

38 (33-45)

10-65

0.073

1,25-(OH)₂D (pg/ml)

39.4 (17.1-55.6)

38.2 (37.7-42.9)

39.7 (20.9-47.5)

20.0-60.0

0.837

25-OHD (ng/ml)

15 (13-16)

18 (17-19)

20 (15-21)

7-41

0.186