Table 2 Selected publications.

Study	Publication type	Therapeutic procedures	n	Degree of difficulty	Study cohort	Data acquisition
Study: included publications; Therapeutic procedures: investigated laparoscopic therapeutic procedure; n: number of included treatment courses; Degree of difficulty: technical degree of difficulty of the analysed therapeutic procedure according to Barakat (Chi et al., 2004); Study cohort: type of investigated study collective; Data acquisition: type of data acquisition.
Chi D et al., 2004 10	original paper	various surgical procedures	1 451	I/II/III/IV	oncological	prospective
Siedhoff MT et al., 2012 11	original paper	hysterectomy	834	II	mixed	retrospective
Alperin M et al., 2012 12	original paper	hysterectomy	446	II	mixed	retrospective
Fagotti A et al., 2012 13	original paper	radical hysterectomy with retroperitoneal lymphadenectomy	75	IV	oncological	retrospective
Soudaka A et al., 2012 14	original paper	retroperitoneal lymphadenectomy	98	IV	oncological	retrospective
Palomba S et al., 2012 15	original paper	retroperitoneal lymphadenectomy	403	IV	oncological	retrospective
Kondo W et al., 2011 16	original paper	hysterectomy	2 092	II	mixed	retrospective
Kondo W et al., 2011 17	original paper	resection of deeply infiltrating endometriosis	568	IV	mixed	retrospective
Gendy R et al., 2011 18	meta-analysis	hysterectomy	332	II	mixed	prospective
Hong JH et al., 2010 19	original paper	retroperitoneal lymphadenectomy	89	IV	oncological	retrospective