Table 3.
Medical presentation of study participants with AN/Atypical AN, and ARFID (n = 193)
| AN or Atypical AN (n = 87) | ARFID (n = 106) | OR or Mean Difference | P a | |
|---|---|---|---|---|
| M (SD) or n (%) | M (SD) or n (%) | |||
| Vital Signs | ||||
| Pulse rate | 63.44 (16.62) | 78.80 (15.91) | −15.35 | < .0001 |
| Systolic blood pressure | 109.7 (12.09) | 113.1 (9.42) | −3.35 | .04 |
| Diastolic blood pressure | 61.57 (6.71) | 63.43 (7.70) | −1.86 | .07 |
| Medical Instability | ||||
| Bradycardia, < 50 beats per minute | 21 (24.14) | 5 (4.72) | 0.16 | < .0001b |
| Hypotension, systolic pressure < 90 mmHg | 4 (4.60) | 2 (1.89) | 0.40 | .41b |
| Orthostatic Instability, > 20 beats per minute, > 10 mmHg | 48 (55.17) | 57 (53.77) | 0.95 | .85 |
| Admitted/In hospital at presentation | 24 (27.59) | 15 (14.15) | 0.43 | .02 |
| Amenorrheac | 26 (34.67) | 7 (11.11) | 0.24 | .001 |
| Prior Eating Disorder Treatment | 33 (37.93) | 40 (37.74) | 0.99 | .98 |
| Psychotropic medication | 34 (39.08) | 38 (35.85) | 0.87 | .64 |
| Other medical condition present potentially impacting weightd | 7 (8.05) | 13 (12.26) | 1.60 | .34 |
aAnalyzed using Pearson’s Chi-square test for categorical variables or independent t-tests for continuous variables, unless noted differently. b Due to small cell count, analyzed using Fischer’s Exact test. c Excludes males (for AN/atypical AN, 12 excluded; for ARFID, 43 excluded). d Conditions considered included gastrointestinal or endocrine disorders including, but not limited to delayed gastric emptying, gastritis, esophagitis, GERD, Grave’s disease, Type 1 Diabetes, chronic constipation, food allergies, acid reflux, celiac disease, irritable bowel syndrome, hypothyroidism, Hashimoto’s disease, and gastroparesis