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

Table 3 Postoperative findings of 13 studies in patients submitted to laparoscopy with or without previous abdominal surgery

Ref.	No. of patients			Morbidity (%)
	Total	PAOS	non PAOS	PAOS	non PAOS	P-value
Hamel et al[19]	85	36	49	47	37	0.18
Kwok et al[26]	91	26	65	23	23	0.79
Law et al[22]	295	84	211	16	20	0.516
Arteaga González et al[21]	86	27	59	39	38	NS
Franko et al[23]	820	347	473	N/A	N/A	N/A
Vignali et al[14]	182	91	91	25.3	23.1	0.86
Nozaki et al[17]	121	21	100	14	15	0.94
Offodile et al[25]	414	171	243	N/A	N/A	N/A
Barleben et al[16]	55	55	0	N/A	N/A	N/A
Fukunaga et al[24]	607	192	415	15.6	14.5	0.767
Maggiori et al[18]	367	167	200	22	19	0.543
Naguib et al[20]	181	68	113	N/A	N/A	N/A
Yamamoto et al[13]	1701	580	1121	25.3	23.3	0.345

NS: Not significant; N/A: Not available; PAOS: Previous abdominal surgery.