Table 1.

Key modifier words used in the natural language processing application for OCS.

OCS Keywords	YBOCS Keywords	Patient Insight Keywords
Obses* (Includes variations such as ‘obsessive’ and ‘obsessional’)	Clean* (Includes variations such as ‘cleaned’ or ‘cleanliness’)	Distres* (Includes variations such as distressed or distressing)
Compul* Includes varations such as Compulsive or compulsively, but specifically excluding “compulsory”.	Wash* (Includes variations such as washing or washed)	Unwanted
OCD* (Includes variations such as OCD and O.C.D)	Check* (Includes variation such as checking and checked)	Repugnant
Hoard* (Includes varations such as Hoarding and Hoarded)	Repeat* (Includes varations such as repeatedly or repetitive)	Repulsive
Ritual* (Includes variations such as ‘ritualistic’ and ‘ritually’)	Count* (Includes variations such as counted or counting)	Egodystonic
	Order* (Includes variations such as ordered or ordering)	Intrusive
	Counting	Intruding
	Rearrange*(Includes variations such as rearranging or rearranged)	Unable to stop