Hudecek 2012.

Methods	Parallel group single centre RCT. Number of women randomised: 212. Number of women analysed: not clear, assumed it was 212. Number of withdrawals: not reported. Power calculation for sample size not reported. Source of funding: not reported.
Participants	Participants recruited from Gynecological and Obstetric Clinic of Medical Facility of Masaryk University and the University Hospital Brno, Czech Republic. Inclusion criteria: reproductive aged females with uterine symptomatic myomatosis. Exclusion criteria: not reported.
Interventions	Rx: Goserelin acetate 3.6 mg SC 3 times once every 4 weeks, N = 120. Control: No pretreatment before surgery, N = 92. 42.5% of participants had laparoscopic myomectomy and 57.5% of participants had open laparotomic myomectomy.
Outcomes	Perioperative blood loss. Duration of surgery. Length of hospital stay. Perioperative and postoperative complications.
Notes	Translated from Czech by Petr Tomek, Auckland University.
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	Method of randomisation not reported.
Allocation concealment (selection bias)	Unclear risk	Not reported.
Blinding of participants and personnel (performance bias) All outcomes	Unclear risk	Not reported.
Blinding of outcome assessment (detection bias) All outcomes	Unclear risk	Not reported.
Incomplete outcome data (attrition bias) All outcomes	Unclear risk	Not reported but stated as ITT.
Selective reporting (reporting bias)	Low risk	All prespecified outcomes reported. SLL outcomes not reported as these were not measured in this review.
Other bias	Unclear risk	Czech and English abstracts of the article report different numbers of women treated with open myomectomy (78 vs. 44 respectively).