Table 1.

Summarized outcomes of studies included in the analysis

Study	Study design	Type of needle	Patients included, core vs. standard	Target organ	Mean no. of pass for D or A	Procurement, histologic/optimal core, n (%)		On-site pathologist
						Core needle	Standard needle
Bang et al. (2012) [19]	Prospective randomized	22 G core vs. standard	28/28	Pancreas	1.28/1.61 (D)	23/28 (82)	28/28 (100)	Yes
						22/28 (80)	19/28 (67)
Witt et al. (2013) [25]	Retrospective cohort	22 G core vs. standard	18/18	Pancreas	2.11/2.94 (A)	NA	NA	No
				Lymph nodes
				Stomach
Hucl et al. (2013) [20]	Prospective crossover	22 G core & standard	145/145	Pancreas	1.23/2-47 (A)	125/145 (86)	127/145 (88)	No
				Lymph nodes		100/145 (69)	96/145 (66)
Strand et al. (2014) [21]	Prospective crossover	22 G core & standard	32/32	Pancreas	1.4/2.9a	27/32 (84)	NA	Yes
						19/27 (70)
Lee et al. (2014) [22]	Prospective randomized	22/25 G core vs. standard	58/58	Pancreas	1.0/2.0 (D)b	NA	NA	Yes
Vanbiervliet Prospective et al. (2014) crossover [23]	Prospective crossover	22 G core & standard	40/40	Pancreas	NA	56/80 (70)	70/80 (88)	No
						53/80 (66)	66/80 (83)
Berzosa et al. (2015) [26]	Retrospective cohort	22 G core & 25 G standard	61/61	Pancreas	1.7/3.5	NA	NA	Yes (1/2 centers)
Iwashita et al. (2013) [27]	Retrospective single arm	25 G core	50	Pancreas	4b	NA		No
						16/50 (32)
Larghi et al. (2013) [7]	Prospective single arm	22 G core	61	Pancreas	NA	55/60 (92)	-	No
						54/60 (89)
Fabbri et al. (2015) [28]	Retrospective single arm	22 G core	68	Pancreas	1.5a	58/68 (85)	-	No
						36/68 (53)
Paik et al. (2015) [24]	Prospective single arm	22 G core	133	Pancreas	NA	NA		No
				Lymph nodes			-
				Others

D, diagnosis; A, adequacy; G, gauge; NA, not available.

^aMean number of passes per lesion irrespective of diagnosis and adequacy.

^bMedian number of passes.