Table 2.

Treatment characteristics of included randomized controlled trials

Study	Arm	N	Median Time from Stent/Stoma to OR, d (range)	Type of Resection	N Laparoscopic Resection (%)	N Adjuvant Therapy (%)	N Permanent Stoma (%)
[4]	Surgery	63	–	Segmental colectomy—7 (11.1)	0	–	14 (22.2)
				HP—56 (88.9)
	Stoma	58	–	Segmental colectomy—28 (100)	0	–	3 (5.2)
[27]†	Surgery	24	–	Segmental colectomy + PA—11 (45.8)	0	–	6 (25.0)
				Segmental colectomy + stoma—2 (8.3)
				HP—11 (45.8)
	Stent	24	–	Segmental colectomy + PA—16 (66.7)	19 (79.2)	–	0
				Segmental colectomy + stoma—4 (16.7)
				HP—4 (16.7)
[29]	Surgery	13	–	LH—6 (46.2)	–	–	3 (23.1)
				AR—7 (53.8)
				HP—0
	Stent	15	–	LH—4 (26.7)	–	–	1 (6.7)
				AR—10 (66.7)
				HP—1 (6.7)
Ho, 2011	Surgery	19	–	LH—1 (5.3)	0	–	2 (10.5)
				LAR—11 (57.9)
				STC—7 (36.8)
	Stent	20	10 (9–38)	LH—3 (15.0)	5 (25.0)	–	1 (5.0)
				LAR—15 (75.0)
				STC—2 (10.0)
[9]	Surgery	30	56.7	Splenic flexure—3 (10.0)	–	–	–
				Descending—2 (6.7)
				Sigmoid—18 (60.0)
				Rectosigmoid—7 (23.3)
	Stent	30	46.7	Splenic flexure—0	–	–	–
				Descending—6 (20.0)
				Sigmoid—15 (50.0)
				Rectosigmoid—8 (26.7)
				N/A—1 (3.3)
[28]§	Surgery	51	–	Segmental colectomy—51 (100)	–	–	13 (25.4)
	Stent	47	5–14*	Segmental colectomy—47 (100)	–	–	7 (14.9)
[13]	Surgery	30	–	STC—30 (100)	0	23 (76.7)	–
	Stent	30	7–10*	LH—18 (60.0)	–	24 (80.0)	–
				AR—12 (40.0)
[11]†	Surgery	24	–	Segmental colectomy + PA—24 (100)	23 (95.8)	13 (54.2)	6 (25.0)
	Stent	24	10 (2–16)	Segmental colectomy + PA—11 (45.8)	0	18 (75.0)	0
				Segmental colectomy + stoma—2 (8.3)
				HP—11 (45.8)
[14]	Surgery	46	50.0	HP—46 (100)	–	–	–
	Stoma	28	57.1	Segmental colectomy—28 (100)	–	–	–
[46]§	Surgery	32	–	Segmental colectomy—32 (100)	–	15 (46.9)	–
	Stent	26	–	Segmental colectomy—26 (100)	–	13 (50.0)	–
[7]‡	Surgery	59	–	LH—11 (18.6)	17 (28.8)	55 (93.2)	–
				AR—2 (3.4)
				HP—20 (33.9)
				STC—15 (25.4)
				Segmental colectomy—10 (16.9)
				Colostomy—1 (1.7)
				N/A—0
	Stent	56	5 (3–8)	LH—27 (48.2)	23 (41.1)	48 (85.7)	–
				AR—13 (23.2)
				HP—11 (19.6)
				STC—2 (3.6)
				Segmental colectomy—1 (1.8)
				Colostomy—0
				N/A—2 (3.6)
[12]‡	Surgery	59	–	LH—11 (18.6)	17 (28.8)	55 (93.2)	–
				AR—2 (3.4)
				HP—20 (33.9)
				STC—15 (25.4)
				Segmental colectomy—10 (16.9)
				Colostomy—1 (1.7)
				N/A—0
	Stent	56	5 (3–8)	LH—27 (48.2)	23 (41.1)	48 (85.7)	–
				AR—13 (23.2)
				HP—11 (19.6)
				STC—2 (3.6)
				Segmental colectomy—1 (1.8)
				Colostomy—0
				N/A—2 (3.6)

N number of patients, OR operating room, d day, SD standard deviation, LH left hemicolectomy, AR anterior resection, LAR low anterior resection, HP Hartmann’s Procedure, STC subtotal colectomy, PA primary anastomosis

^* = range only; † = same study population; ‡ = same study population; § = same study population