Table 1 Clinical data at admission, discharge and 12 months after admission for patients with and without spontaneous resumption of menses within the first 12 months after admission
From: Predictors of the resumption of menses in adolescent anorexia nervosa
Menstruating | Amenorrheic | p-valuea | |
|---|---|---|---|
n = 72 | n = 80 | ||
Mean (SD) or n (%) | Mean (SD) or n (%) | ||
premorbid BMI (kg/m2) | 20.2 (2.8) | 19.9 (2.8) | 0.61 |
premorbid BMI-percentile | 49.0 (29.3) | 49.4 (28.2) | 0.94 |
premorbid BMI-SDS | 0.0 (1.0) | 0.0 (0.9) | 0.96 |
premorbid %EBW | 101.6 (14.0) | 101.7 (13.8) | 0.98 |
age at menarche (years) | 12.5 (1.2) | 12.3 (1.0) | 0.49 |
age at onset of AN (years) | 14.5 (1.4) | 14.1 (1.4) | 0.09 |
duration of illness (months) | 11.5 (9.4) | 9.9 (7.2) | 0.23 |
no menarche at admission | 3 (4.2%) | 30 (37.5%) | <0.0001 |
- premenarchal | 3 (4.2%) | 25 (31.25%) | |
- primary amenorrhea | 0 | 5 (6.25%) | |
age at admission (years) | 15.4 (1.3) | 14.9 (1.6) | 0.03 |
BMI at admission (kg/m2) | 15.3 (1.2) | 14.8 (1.4) | 0.02 |
BMI-percentile at admission | 2.0 (3.1) | 2.2 (5.1) | 0.84 |
BMI-SDS at admission | ′-2.0 (3.1) | -2.2 (5.1) | 0.84 |
%EBW at admission | 75.4 (6.1) | 74.1 (7.1) | 0.24 |
duration of treatment (weeks) | 14.7 (5.4) | 16.8 (7.2) | 0.05 |
regular discharge* | 56 (77.8%) | 49 (61.2%) | 0.03 |
BMI at discharge (kg/m2) | 18.2 (0.9) | 17.8 (1.1) | 0.01 |
BMI-percentile at discharge | 19.4 (8.0) | 17.8 (1.1) | 0.01 |
BMI-SDS at discharge | ′-0.9 (0.5) | ′-1.0 (0.4) | 0.28 |
%EBW at discharge | 89.2 (4.2) | 88.4 (4.2) | 0.21 |
BMI at 12-month follow-up (kg/m2) | 18.8 (1.7) | 17.5 (1.4) | <0.0001 |
BMI-percentile at 12-month follow-up | 24.0 (21.3) | 13.3 (14.1) | 0.0013 |
BMI-SDS at 12-month follow-up | ′-0.8 (0.7) | ′-1.4 (0.7) | <0.0001 |
%EBW at 12-month follow-up | 91.1 (8.7) | 85.7 (7.0) | 0.0003 |