Table 2.

 Assessment of quality criteria for trials reporting on stenting versus no stenting after ureteroscopic retrieval of stones

Study	Allocation concealment	Intention to treat analysis	Completeness of follow-up	Blinding*
Borborogluw3	Adequate	Six participants randomised to group without stents removed from protocol and analysis because of intraoperative injury	Reported	N/A
Byrnew4	N/A	N/A	Reported	N/A
Chenw5	Adequate	N/A	Reported	N/A
Cheungw6	Inadequate	N/A	Reported	N/A
Damianow2	Adequate	N/A	Reported	N/A
Denstedtw1	Adequate	13 participants excluded from study because of intraoperative balloon dilatation	Reported	N/A
Jeongw7	N/A	N/A	Reported	N/A
Nettow8	N/A	N/A	Reported	Surgeon
Srivastavaw9	Adequate	N/A	Reported	N/A

N/A=not available (insufficient information provided).

*None of the trials provided sufficient information to determine blinding of participants or outcome assessors.