Loverro 2008.

Methods	Location: Italy No. of centres: one Recruitment period: January 1998 to January 1999
Participants	Inclusion criteria: women of reproductive age with stage III ‐ IV endometriosis, associated with chronic pelvic pain,adnexial mass or infertility, who had undergone complete laparoscopic excision, had rAFS score > 15 and no previous hormonal treatment Exclusion criteria: No. randomised: 60 No. analysed: 54
Interventions	Post‐operative triptorelin versus placebo Gr A (n=29): triptorelin 3.75 mg depot monthly on day 20 of cycle for 3 months Gr B (n=25): placebo monthly on day 20 of cycle for 3 months
Outcomes	Pain persistence, pregnancy
Notes	Power calculation: NS Funding: NS Email sent to contact author Feb 2010 requesting further information ‐ no reply received
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Low risk	"using a computer generated randomization table"
Allocation concealment (selection bias)	Unclear risk	not mentioned
Blinding (performance bias and detection bias) All outcomes	Low risk	patients were blinded to treatment allocation. placebo injections used
Incomplete outcome data (attrition bias) All outcomes	Unclear risk	1 and 5 patients lost to follow up from triptorelin and no treatment groups respectively. Possibility of bias
Selective reporting (reporting bias)	Low risk	pain, relapse and pregnancy reported (for those who desired pregnancy)
Other bias	Low risk	groups appear similar at baseline