Economic burden and comorbidities of attention-deficit/hyperactivity disorder among pediatric patients hospitalized in the United States

Table 1 Summary of the 10 Most Common Primary Diagnoses Among ADHD Patientsa

Patients Aged 6-11 Years					Patients Aged 12-17 Years
	Patients With a Secondary ADHD Diagnosis (n = 126,056)		Patients Without an ADHD Diagnosis (n = 2,592,204)			Patients With a Secondary ADHD Diagnosis (n = 204,176)		Patients Without an ADHD Diagnosis (n = 5,130,336)
Primary Diagnosis	N	%	N	%	Primary Diagnosis	N	%	N	%
296: Affective psychoses	30,361	24.09	37,692	0.49	296: Affective psychoses	66,543	32.59	333,817	4.32
313: Emotional disturbances	8,297	6.58	6,584	0.09	311: Depressive disorder NEC	10,589	5.19	68,164	0.88
312: Conduct disturbance NEC	6,810	5.40	8,131	0.11	312: Conduct disturb-ances NEC	9,906	4.85	35,254	0.46
780: General symptoms	6,077	4.82	85,024	1.10	313: Disturb-ances of emotions specific to childhood and adoles-cence	7,970	3.90	19,055	0.25
493: Asthma	5,964	4.73	262,153	3.39	309: Adjustment reaction	7,576	3.71	49,583	0.64
309: Adjustment reaction	4,764	3.78	8,076	0.10	540: Acute appendicitis	5,285	2.59	281,400	3.64
540: Acute appendicitis	3,892	3.09	200,290	2.59	780: General symptoms	4,662	2.28	85,565	1.11
311: Depressive disorder NEC	3,436	2.73	6,493	0.08	300: Neurotic disorders	4,257	2.09	27,432	0.36
345: Epilepsy	2,591	2.06	35,367	0.46	969: Poisoning by psycho-tropic agents	3,853	1.89	29,352	0.38
486: Pneumonia, organism NOS	2,245	1.78	135,420	1.75	250: Diabetes mellitus	3,765	1.84	117,822	1.53

ADHD = attention-deficit/hyperactivity disorder; NEC = Not elsewhere classified; NOS = not otherwise specified.
^a Patients with a primary ADHD diagnosis were excluded from the analysis.

ISSN: 1753-2000