Table 2.

Top 20 relative risks of diagnosis.

Diagnosis	International Classification of Diseases, Ninth Revision code	Relative risk at years to index date
		0	3	4	5	6
Wandering in diseases classified elsewhere	V403.1	21.57	—a	—	—	—
Unspecified senile psychotic condition	290.9	19.26	—	—	—	—
Unspecified persistent mental disorders due to conditions classified elsewhere	294.9	17.38	6.78	5.89	6.20	5.07
Senility without mention of psychosis	797.	16.48	—	—	—	—
Other general symptoms	780.9	16.27	—	—	—	—
Unspecified nonpsychotic mental disorder following organic brain damage	310.9	16.25	5.92	—	—	—
Other specified nonpsychotic mental disorders following organic brain damage	310.89	15.99	—	—	—	—
Other specified nonpsychotic mental disorder following organic brain damage	310.8	15.78	—	—	—	—
Other signs and symptoms involving cognition	799.59	15.06	4.45	—	—	—
Frontal lobe executive functional deficit	799.55	15.01	—	—	—	—
Dissociative amnesia	300.12	13.52	—	—	—	—
Personality change due to conditions classified elsewhere	310.1	13.52	4.42	—	—	—
Factitious disorder with predominantly psychological signs and symptoms	300.16	13.39	—	—	—	—
Psychotic disorder with delusions in conditions classified elsewhere	293.81	12.86	—	—	—	—
Confusional arousals	327.41	12.48	—	—	—	—
Visuospatial deficit	799.53	12.42	—	—	—	—
Reactive confusion	298.2	12.21	4.54	—	—	—
Subacute delirium	293.1	12.15	—	—	—	—
Alcohol-induced persisting amnestic disorder	291.1	12.07	—	—	—	—
Frontal lobe syndrome	310.0	12.07	—	—	—	—

^aNot applicable.