Short-term outcomes after laparoscopic colorectal surgery in patients with previous abdominal surgery: A systematic review

Table 1 Definition of conversion in the 13 studies included in the review of patients submitted to laparoscopy with or without previous abdominal surgery

Ref.	Definition of conversion
Hamel et al[19]	“any incision unplanned, made sooner than planned or longer than 5 cm”
Kwok et al[26]	“abdominal incision exceeded 8 cm; or the incision was extended for any reasons other than division of the bowel and extraction of specimens”
Law et al[22]	N/A
Arteaga González et al[21]	N/A
Franko et al[23]	“change in operative strategy requiring exsufflation of capnoperitoneum and elongation of the surgical incision to allow direct visualization for continued dissection”
Vignali et al[14]	“abdominal incision longer than 7 cm or an abdominal incision made earlier or different from that planned at the start of the procedure”
Nozaki et al[17]	N/A
Offodile et al[25]	“final incision length longer than 7 cm (after skin closure)”
Barleben et al[16]	N/A
Fukunaga et al[24]	“performance of an unplanned incision”
Maggiori et al[18]	“any unplanned incision or a planned incision longer than 6 cm”
Naguib et al[20]	N/A
Yamamoto et al[13]	“any incision more than 8 cm in length needed to complete or facilitate the procedure that could not be completed” laparoscopically

N/A: Not available.