Table 1. Baseline characteristics overall and as a function of menstrual resumption during 18 months of follow-up.
| Overall, n = 37 | No ROM, n = 13 | ROM, n = 24 | p Valuea | |
|---|---|---|---|---|
| Age (years), mean (SD) | 18 (2.8) | 18 (1.7) | 18 (3.1) | .38 |
| Race | .47 | |||
| White | 32 (86) | 10 (77) | 22 (92) | |
| Asian | 2 (5) | 1 (8) | 1 (4) | |
| Other | 3 (8) | 2 (15) | 1 (4) | |
| Non-Hispanic Ethnicity | 36 (97) | 13 (100) | 23 (96) | 1.0 |
| Months since last period, mean (SD) | 20 (12) | 25 (23) | 18 (29) | .13 |
| Months since AN diagnosis, mean (SD) | 19 (26) | 20 (14) | 18 (29) | .70 |
| Regular exercise | 24 (65) | 11 (85) | 13 (54) | .08 |
| Hours of exercise/week | 7 (3) | 7 (3) | 6 (3) | .17 |
| BMI (kg/m2), mean (SD) | 17.8 (1.5) | 18.1 (1.7) | 17.7 (1.4) | .61 |
| Percent body fat, mean (SD) | 17.8 (5.1) | 17.3 (5.5) | 18.0 (5.0) | .05 |
| Cortisol (μg/dL), mean (SD) | 15.9 (7.6) | 16.5 (8.3) | 15.6 (7.3) | .06 |
| Estradiol (pg/mL), mean (SD) | 38.2 (69.8) | 40.2 (62.1) | 37.3 (74.5) | .37 |
| Leptin (ng/mL),a mean (SD) | 3.8 (1.7) | 2.5 (1.3) | 4.1 (1.7) | <.001 |
| BDI, mean (SD) | 14.1 (9.3) | 12.5 (9.8) | 14.9 (9.2) | .06 |
| EAT-26, mean (SD) | 24.3 (17.5) | 24.9 (18.3) | 24.0 (17.4) | .83 |
p Value from Fisher's exact test for categorical variables and t test for continuous variables.
AN = anorexia nervosa; BDI = Beck Depression Inventory-I; BMI = body mass index; EAT-26 = 26-item Eating Attitudes Test; M = month; ROM = resumption of menses; SD = standard deviation.
a
n = 11, 2, and 9 for overall, no ROM, and ROM, respectively.