Attributes of children and adolescents with avoidant/restrictive food intake disorder

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 (%)	OR or Mean Difference	P ^a
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	< .0001^b
Hypotension, systolic pressure < 90 mmHg	4 (4.60)	2 (1.89)	0.40	.41^b
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
Amenorrhea^c	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 weight^d	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

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