Table 4.

Sensitivity and specificity of the FIT variables

Variable	Cut-off	Specificity		Sensitivity
		Patients	BE	NSS	TS
FIT recall	< 1	100	100	1.8	0
	< 4	82	100	20.3	0
	< 9	72	97	37.3	16.1
FIT recognition	< 6	100	100	1.8	6.5
	< 10	88	100	20.3	6.5
	< 12	78	97	42.4	16.1
FIT combination score	< 3	100	100	1.8	3.2
	< 15	88	100	17	6.5
	< 18	70	100	34	9.7
	< 22	61	97	47.5	19.4

See text for an explanation of the variables and abbreviations.