Study	Reason for exclusion
Angoli 2013	Retrospective review; comparison of lymphadenectomy vs no lymphadenectomy; quality of life assessment
Ansari 2013	Systematic review and meta analysis ‐ no additional RCT evidence found
Babilonti 1989	Retrospective review; comparison of lymphadenectomy vs no lymphadenectomy; examination of short‐term complications
Barton 2009	Narrative review article only ‐ no additional RCT evidence found
Bogani 2014	Narrative review article ‐ no additional RCT evidence found
Chan 2006	Retrospective case review
Crosbie 2012	Incorrect comparator ‐ analysis by body mass index only
Fujimoto 2009	Narrative evaluation of RCT only; no primary data
Gao 2013	Retrospective case review
Havrilesky 2013	Review of study methods only
Hofstetter 2014	Retrospective case review
Huh 2008	All participants underwent lymph node dissection. Study randomly assigned processing of samples
Kang 2009	Retrospective study ‐ no lymphadenectomy randomly assigned
Kim 2012	Systematic review ‐ no additional RCT evidence found
Kitchener 2011	No additional information by relevant comparator
Kitchener 2013	Narrative review article ‐ no additional RCT evidence found
Kyrgiou 2013	Incorrect interventional comparator
Kyrgiou 2013a	Incorrect interventional comparator
Lamela 2013	Incorrect interventional comparator
Look 2004	Systematic review ‐ no additional RCT evidence found
Mannel 1989	Retrospective study ‐ no lymphadenectomy randomly assigned
Mariani 2000	Retrospective study
Mosgaard 2013	Incorrect study intervention
Nahhas 1980	Retrospective review of treatment of individuals with stage II endometrial cancer with no randomisation
Obermair 2012	Incorrect study intervention
Poll‐Franse 2012	Retrospective non‐randomised study assessing health‐related quality of life
Puente 2011	Retrospective non‐randomised study
Quinn 1993	Randomised controlled trial of progesterone therapy for high‐risk endometrial cancer ‐ no surgical randomisation. Comparison of outcomes of 238 women who underwent pelvic lymphadenectomy vs 774 women who did not under pelvic lymphadenectomy. Women who underwent lymphadenectomy were younger and showed less myometrial invasion. Longer overall survival in women with lymphadenectomy. No differences in patterns of recurrence
Rodolakis 2012	Retrospective non‐randomised study
Rossi 2013	Incorrect study design
Rossi 2014	Incorrect study intervention
Rubin 1990	Retrospective non‐randomised study
Salvesen 2001	Systematic review of role of lymphadenectomy in gynaecological malignancies ‐ no RCT or endometrial cancer found
Schulz 1986	RCT of adjuvant hormonal therapy after surgery for endometrial cancer
Shan 2013	Incorrect study design
Tinelli 2009	Narrative review article ‐ no additional RCT evidence found
Tong 2011	Retrospective case review
Trovik 2013	Incorrect study intervention
Turkler 2013	Retrospective non‐randomised study
Watari 2014	Narrative review article ‐ no additional RCT evidence found
Zapico 2013	Incorrect study intervention