Table 4. The eight most frequent major diagnosis categories for hospitalized subjects according to ADRD status (N = 460).

Major Diagnosis Category	ADRD N = 109	Non-ADRD N = 351	p-value
Circulatory System	41 (37.61%)	121 (34.47%)	0.55
Respiratory System	35 (32.11%)	75 (21.37%)	0.02*
Nervous System	20 (18.35%)	37 (10.54%)	0.03*
Musculoskeletal System and Connective Tissue	19 (17.43%)	63 (17.95%)	0.90
Endocrine, Nutritional and Metabolic System	19 (17.43%)	36 (10.26%)	0.04*
Digestive System	18 (16.51%)	69 (19.66%)	0.46
Kidney and Urinary Tract	18 (16.51%)	47 (13.39%)	0.41
Infectious and Parasitic DDs	13 (11.93%)	30 (8.55%)	0.29

*p < 0.05