Table 4. Results of sensitivity analyses which altered cost-effective intervention.

Dataset	Scenario	The intervention that is cost-effective for each scenario at £20,000/QALY
All trials	Base case	TENS
	Shortest weekly therapist time used for acupuncture costing	Acupuncture
	Shortest weekly therapist time used for interferential therapy costing	Interferential therapy
	Shortened weekly therapist time—75% of benefit in first 30 mins, remainder by 1 hour	Interferential therapy
	Shortened weekly therapist time—all benefit achieved within 20–30 minutes	Interferential therapy
	Increase in duration of benefit of all interventions by 6 weeks	Interferential therapy
	Increase in duration of benefit of acupuncture by 31%	Acupuncture
	Increase in duration of benefit of interferential therapy by 45%	Interferential therapy
	Lower 95% CrI from NMA for TENS	Acupuncture
	Upper 95% CrI from NMA for Acupuncture	Acupuncture
	Upper 95% CrI from NMA for Braces	Braces
	Upper 95% CrI from NMA for NMES	NMES
	Upper 95% CrI from NMA for Static magnets	Static magnets
Trials at low risk of selection bias	Base case	Acupuncture
	Shortened weekly therapist time—all benefit achieved within 20–30 minutes	Interferential therapy
	Lower 95% CrI from NMA for Acupuncture	TENS
	Upper 95% CrI from NMA for Insoles	Insoles
	Upper 95% CrI from NMA for Manual therapy	Manual therapy
	Upper 95% CrI from NMA for Static magnets	Static magnets
	Upper 95% CrI from NMA for TENS	TENS

NMA = network meta-analysis; NMES = neuromuscular electrical stimulation; TENS = transcutaneous electrical nerve stimulation; CrI = credible interval.