Cystic dystrophy of the duodenal wall is not always associated with chronic pancreatitis

Table 1 Epidemiological and clinical characteristics of patients in the 18 retrospective studies involving patients with a benign cystic duodenal wall

Author[Ref.] yr	Time interval of	n (%)			Age (yr)	Alcohol drinkers
	patient enrollment	Total	Males	Females	Mean (range)	n (%)
Stolte et al[7] 1982	NR	30	30 (100)	-	41.3 (NR)	22 (73.3)
Yamaguchi et al[10] 1992	1983-1989	8	8 (100)	-	58.0 (33-70)	4 (50.0)
Fléjou et al[11] 1993	1959-1991	10	10 (100)	-	41.0 (31-56)	2 (20.0)
Itoh et al[12] 1994	NR	4	3 (75.0)	1 (25.0)	43.0 (37-53)	NR
Fékété et al[13] 1996	1989-1993	6	6 (100)	-	40.0 (35-46)	4 (66.7)
Procacci et al[16] 1997	1992-1996	10	10 (100)	-	41.0 (32-59)	9 (90.0)
Irie et al[18] 1998	1995-1996	5	5 (100)	-	41.0 (33-46)	2 (40.0)
Vullierme et al[23] 2000	1988-1998	20	18 (90.0)	2 (10.0)	44.0 (36-56)	NR
Aoun et al[81] 2005	NR	4	2 (50.0)	2 (50.0)	69.0 (66-71)	NR
Pessaux et al[36] 2006	1990-2004	12	11 (91.7)	1 (8.3)	42.4 (34-54)	9 (75.0)
Jouannaud et al[37] 2006	1990-2002	23	20 (87.0)	3 (13.0)	45.0 (30-66)	23 (100)
Tison et al[39] 2007	1983-2001	9	8 (88.9)	1 (11.1)	48.0 (37-63)	8 (88.9)
Rebours et al[40] 2007	1995-2004	105	96 (91.4)	9 (8.6)	46.0 (24-75)	86 (81.9)
Rahman et al[46] 2007	2000-2005	11	10 (90.9)	1 (9.1)	48.0 (35-61)	10 (90.9)
Castell-Monsalve et al[47] 2008	NR	5	4 (80.0)	1 (20.0)	47.0 (40-53)	4 (80.0)
Jovanovic et al[52] 2008	1996-2006	13	10 (76.9)	3 (23.1)	41.5 (17-60)	6 (6.2)
Casetti et al[63] 2009	1990-2006	58	54 (93.1)	4 (6.9)	44.7 (IQR 36.8-51.8)	57 (98.3)
Ishigami et al[6] 2010	2001-2008	15	14 (93.3)	1 (6.7)	48.0 (31-64)	NR
Overall	-	348	319 (91.70)	29 (8.30)	-	246/305 (80.70)

IQR: Interquartile range; NR: Not reported.