Table 2.

Characteristics of studies and selected outcomes following IPAA in the 53 included studies published since 2000

Author	Year of publication	Inclusion period	Number of patients	FU (months)	Age	Gender (% female)	Type of disease	Handsewn anastomosis (%)	With diverting ileostoma (%)
Fonkalsrud et al. [20]	2000	1993–1997	77		34.5	50	UC	57.1	100
Karlbom et al. [36]	2000	1983–1996	168	29	32	39.3	UC	58.9	70.8
Seidel et al. [60]	2000	1985–1996	55		31.2	45.5	Both
Simchuk [61]	2000	1987–1996	114	38		43.9	Both		100
Gullberg and Liljeqvist [25]	2001	1990–1995	86	72	34.1	45.3	Both	2.3	10.5
Barton et al. [5]	2001	1983–2000	110	30	36.8		Both	100	100
Heuschen et al. [29]	2001	1991–2000	171	30	36.7	45.6	UC	100	66.7
Regimbeau et al. [53]	2001	1984–1998	172	60	36	47.1	Both	100	100
Blumberg et al. [12]	2001	1982–1995	145		34	49	Both		15.2
Dayton et al. [16]	2002	1982–2001	644	79	37.2	39.4	UC
Rossi et al. [56]	2002	1989–2000	75		40	33.3	Both	54.7	100
Bullard et al. [13]	2002	1980–1992	154	151	34	44.2	Both	64
Gignoux et al. [22]	2002	1993–1998	84	22	33	42.9	Both	100
Mukhtar et al. [47]	2002	1990–1997	50		35	44	Both	2	98
Rudolph et al. [57]	2002	1991–1999	71	47	38	56	UC		84.5
Carmon et al. [14]	2003	1990–2001	77	51	38	55.8	UC		72.7
Teixeira et al. [63]	2003	1986–2000	80	108		50	UC	11.3	77.5
Michelassi et al. [46]	2003	1987–2002	391	37	33.7	44.2	Both	29.9	65
Holubar and Hyman [32]	2003		51	85	42.1	51	UC		70.6
Fowler et al. [21]	2003	1984–2001	106		40	50	Both	39.4	41.3
Parc et al. [49]	2004	1983–1990	110	175	26.5	43.6	FAP	100
Lin et al. [43]	2004	1985–2002	61	60	37	54	Both	67.2
Hueting et al. [34]	2004	1989–2000	111	42	35.4	68.5	UC
Gosselink et al. [23]	2004	1989–2001	127	56	36	42.5	UC		21.6
Krausz et al. [40]	2005	1984–2004	174	64	34.1	47.7	Both	54	87.4
Hallberg et al. [26]	2005	1990–1997	100	53	32	39	UC		17
Swenson et al. [62]	2005	1995–2003	54	22	35	35.2			57.4
Chapman et al. [15]	2005	1981–2000	2002	121	33.5	46.6	Both		5
Kok Sun Ho et al. [30]	2005	1989–2001	330	32		59.1	UC
Ikeuchi et al. [35]	2005	1999–2003	242		32.1	50.8	UC	100	38
Arai et al. [3]	2005	1993–2003	296	53	33.8	43.2	UC	96.3	55.4
Araki et a l. [4]	2006	1998–2003	220		34.5	46.8	Both		47.3
Rickard et al. [54]	2006	1982–2002	516		33	45.2	Both	32.4	88
Bednarz et al. [6]	2007	1994–2005	108	60		50	Both	18.5	100
Berndtsson et al. [8]	2007	1982–1995	370	180	34	45.7	UC
Gualdrini et al. [24]	2007	1987–2005	391	45.6	35.4	51.7	Both
Kiran et al. [38]	2008		2016	180	37.7	43.9	Both	15.4	85.9
Tulchinsky et al. [66]	2008	1986–2005	211	124.6	35.4	58.3	UC	16.5	79
Walker and Bulow [67]	2008	1987–2004	178	84	31	44.9	Both	6.7	100
Ferrante et al. [18]	2008	1990–2004	173	78	39	38.7	UC	2.3	85
Leal et al. [41]	2008	1984–2006	69	82	29.6	59.4	FAP	100	100
Zarate et al. [71]	2008	1984–2006	107		34.4	57	Both	12.1	100
Pinto et al. [50]	2009	2001–2008	66	21.1	52.8	66.7	Both	18.2	100
Leowardi et al. [42]	2009	1988–1996	197	147.6	33	45.2	UC	100	100
Norwood et al. [48]	2009	1997–2007	107	77	38	45.8	Both		99
Loftus et al. [44]	2009	2001–2005	237	5.9	38.9	45	UC
Tekkis et al. [64]	2009	1976–2006	2491	74.4	35.9	47.9	Both	33.3	67.3
Scarpa et al. [58]	2009	1984–2004	58	136	38	34.5	UC	0
Wasmuth et al. [68]	2009	1984–2006	304	120	34.4	38.8	Both	40.1	84
Andersson et al. [2]	2009	1984–2003	110	144	35	45.5	Both		47.3
Fichera et al. [19]	2009	2002–2007	106	24.8	36.9	42.2	UC		71.6
Rink et al. [55]	2009	1990–2002	131	85	33	46.6	UC		84
Pricolo [51]	2009	1991–2008	312		36	46.8	Both		8