Table 1.

Source and timing of measures

		Timing
		Intervention (PCNL or first session ESWL/FURS)
		Weeks post intervention				Additional intervention (pre and post if >12 weeks) or treatment-related hospitalisation	Post- randomisation 12 months
Outcome measure	Source	Baselinea	Pre	1 to 11	12
Health status EQ-5D-5L	PQ	✓	✓	✓	✓	✓	✓
Pain	PQ	✓	✓	✓	✓	✓	✓
Health profile SF12	PQ	✓	✓		✓		✓
Use of analgesics	PQ	✓	✓	✓	✓	✓	✓
Stone clearance (imaging)	CRF				✓b		✓
Additional interventions received	CRF&PQ				✓	✓	✓
Complications	CRF&PQ				✓	✓	✓
NHS primary and secondary healthcare use	CRF, PQ		✓		✓	✓	✓
Participant costs	PQ		✓		✓		✓

CRF case report form, PQ participant completed questionnaire

^aBaseline is after informed consent has been given but prior to randomisation

^bstone imaging performed at 8-12 weeks post treatment