Table 1.
Characteristics of patients with anorexia nervosa who were hospitalized in Nantes University Hospital between 2013 and 2016 (n = 137)
| Number of patients | Percentage (95% CI) | |
|---|---|---|
| Sex | ||
| Girls | 121 | 88.3 (82.9–93.7) |
| Boys | 16 | 11.7 (6.3–17.1) |
| Girls puberty status | ||
| Prepubertal girls | 15 | 12,4 (6,5–18.3) |
| Pubertal girls | 106 | 87.6 (81.7–93.5) |
| Residence | ||
| Urban | 126 | 92.0 (87.5–96.5) |
| Rural | 11 | 8.0 (3.5–12.5) |
| Parental situation | ||
| Together | 111 | 81.0 (74.4–87.6) |
| Separated | 26 | 19.0 (12.4–25.6) |
| A deceased parent | 6 | 4.4 (1.0–7.8) |
| Family history of ED | ||
| Yes | 33 | 24.1 (16.9–31.3) |
| No | 104 | 75.9 (68.7–83.1) |
| Obesity before AN (BMI > 2 SD) | ||
| Yes | 15 | 10.9 (5.7–16.1) |
| No | 122 | 89.1 (83.9–94.3) |
| Associated bulimia | ||
| Yes | 20 | 14.6 (8.7–20.5) |
| No | 117 | 85.4 (79.5–91.3) |
| Median | IQR | |
| Age at diagnosis (years) | 14.0 | 12.6–14.8 |
| Girls | 14.1 | 12.6–14.9 |
| Boys | 13.2 | 12.7–14.1 |
| Weight loss at diagnosis (kg) | 8.0 | 4.0–11.0 |
| Girls | 8.0 | 5.0–12.0 |
| Boys | 4.8 | 1.0–6.5 |
| Weight loss at diagnosis (%) | 16.7 | 9.8–24.0 |
| Girls | 17.8 | 10.6–24.4 |
| Boys | 10.6 | 4.4–15.4 |
| Highest BMI (SD) | 0.3 | −0.6–1.2 |
| Girls | 0.4 | −0.4–1.2 |
| Boys | 0.0 | −1.0–0.8 |
| Lowest BMI (SD) | −2.3 | −3.1– − 1.5 |
| Girls | −2.2 | −2.9– − 1.5 |
| Boys | −3.1 | − 3.2– − 1,9 |
AN anorexia nervosa, BMI body mass index, CI confidence interval, ED eating disorder, IQR interquartile range, SD standard deviation