Evaluation of novel slim biopsy forceps for diagnosis of biliary strictures: Single-institutional study of consecutive 360 cases (with video)

Table 7 Characteristics of studies evaluating bile duct biopsies

Study	Year	Sample size (n)	Sensitivity, %
Pugliese et al[1]	1995	94	53
Ponchon et al[3]	1995	233	43
Howell et al[10]	1996	28	15
Sugiyama et al[11]	1996	52	81
Jailwala et al[2]	2000	133	37
Rösch et al[12]	2004	50	36
Kitajima et al[13]	2007	60	65
Weber et al[14]	2008	58	53
Our case	2016	360	70