Table 3. Markers of Anorexia Nervosa or Atypical Anorexia Nervosa Severity at Presentation at Sites With an Increase in Newly Diagnosed Cases .
| Mean (SD) | P value | ||
|---|---|---|---|
| Diagnosis before COVID-19 pandemic (n = 972) | Diagnosis during first wave of COVID-19 pandemic (n = 264) | ||
| Percentage of median BMI at diagnosis | 89.4 (15.1) | 88.6 (15.3) | .39 |
| Weight loss, kg | 10.5 (8.6) | 11.7 (9.2) | .047 |
| Length of illness, mo | 9.8 (7.4) | 7.0 (4.2) | <.001 |
| Percentage of body weight lost | 17.5 (9.6) | 19.2 (9.4) | .01 |
| Rate of weight loss, kg/mo | 1.6 (1.7) | 2.1 (2.0) | <.001 |
| Heart rate at assessment, bpm | 63 (15.9) | 57 (15.8) | <.001 |
| Systolic blood pressure at assessment, mm Hg | 101.0 (12.2) | 98.2 (11.9) | <.004 |
| Patients with vital signs meeting criteria for hospitalization at assessment, No. (%) | 317 (32.6) | 121 (45.8) | <.001 |
| Patients hospitalized at or within 1 wk of assessment, No. (%) | 279 (28.7) | 131 (49.6) | <.001 |
Abbreviations: BMI, body mass index; bpm, beats per minute.