Table 1.

Study characteristics

Author	Country	Center type	Study design	Number of patients (n)		Male/female	Lesions type		Needle gauge (G)	How many passes?
				Dry	Wet		Pancreatic, n (%)	Nonpancreatic, n (%)
Attam, 2015	USA	Multicenter	RCT	117	117	66/51	63 (54)	54 (46)	22	Dry - 46 Wet - 46
Berzosa, 2014	USA	Single center	Prospective (abstract)	15	15	Not reported	14 (93)	1 (7)	22	Dry - 12 Wet - 12
Mok, 2018	USA	Single center	RCT	40	40	16/24	0	40 (100)	19	Dry - 3 Wet - 3
Sugimoto, 2020	Japan	Single center	Prospective	23	11	27/7	34 (100)	0	19/22	Dry - 5 Wet - 4
Wang, 2020	China	Multicenter	RCT	269	269	161/108	161 (59.9)	108 (40.1)	22	Dry - 2 Wet - 2
Hasan, 2014	USA	Single center	Retrospective	30	30	39/21	60 (100)	0	25	Dry - 1 Wet - 1

RCT: Randomized controlled trial