Current debate in gastric cancer surgery: Omentectomy?

Table 1 Characteristics of the articles

Ref.	Study design	Surgical procedures	Complications	5-year overall survival	3-year overall survival	5-year recurrence- free survival
Kurokawa et al[5]	Randomized controlled trial	Bursectomy; Omentectomy	NA	No differences	NA	NA
Sakimura et al[26]	Retrospective	Omentectomy; Non-omentectomy	NA	NA	No differences	NA
Zhang et al[34]	Meta-analysis	Partial omentectomy; Total omentectomy	No differences	No differences	NA	NA
Ishizuka et al[13]	Meta-analysis	Omentectomy; Non-omentectomy	NA	Significant differences	NA	No differences
Chai et al[21]	Meta-analysis	Partial omentectomy; Total omentectomy	NA	Significant differences	NA	No differences
Zhu et al[14]	Meta-analysis	Omentectomy; Non-omentectomy	No differences	Lower	Lower	No differences
Zizzo et al[25]	Meta-analysis	Omentectomy; Non-omentectomy	NA	Significant	Significant	NA
Lin et al[23]	Meta-analysis	Omentectomy; Non-omentectomy	No differences	No differences	NA	NA
Keywani et al[9]	Prospective cohort	Omentectomy	NA	NA	NA	NA

NA: Not available.