Cost effectiveness of therapist delivered cognitive behavioural therapy and web-based self-management in irritable bowel syndrome: the ACTIB randomised trial

Table 6 Sensitivity analyses based on different therapy costs

	Incremental costs and ICERs (£s) following reductions/increases in therapy costs
	Therapy 50% less	Therapy 25% less	Base case	Therapy 25% more	Therapy 50% more
TCBT incremental cost	614	785	956	1126	1297
ICER	14,312	18,298	22,284	26,247	30,233
WCBT incremental cost	97	160	224	288	352
ICER	3345	5517	7724	9931	12,138

ISSN: 1471-230X