Table 5

Summary results for YFCCP compared with the use of a single FC test with standard cut-off (≥50 µg/g) (these data assume 100% compliance with the Pathway)

Comparator	YFCCP	Single FC ≥50 µg/g	Incremental	NNT
YFCCP as single test FC cut-off ≥50 µg/g
Total costs (£)	311 159	471 158	−159 999
Correctly diagnosed IBS cases	845	557	289
Correctly diagnosed IBD cases	76	76	0
Unnecessary colonoscopies	74	362	−289	3.5
Outpatient appointments	218	485	−267	3.7
Tibble et al 19
Total costs (£)	311 159	368 298	−50 140
Correctly diagnosed IBS cases	845	735	110
Correctly diagnosed IBD cases	76	73	3
Unnecessary colonoscopies	74	184	−110	9.1
Outpatient appointments	218	320	−102	9.8
Waugh et al 3
Total costs (£)	311 159	293 290	17 869
Correctly diagnosed IBS cases	845	864	−18
Correctly diagnosed IBD cases	76	75	0
Unnecessary colonoscopies	74	55	18	−54.4
Outpatient appointments	218	201	−16	−58.8

IBD, inflammatory bowel disease; IBS, irritable bowel syndrome; NNT, numbers needed to treat; YFCCP, York Faecal Calprotectin Care Pathway.