Endoscopic ultrasonography-guided fine needle aspiration: Relatively low sensitivity in the endosonographer population

Table 1 Characteristics of survey respondents n (%)

Male gender (Nr = 92)	66 (71.7)
Age (yr) (Nr = 92)	43.1 ± 8.0
Years of endoscopy practice (Nr = 92)	12.5 ± 7.8
Years of EUS practice (Nr = 91)	4.8 ± 4.1
Number of respondents practicing in Western Europe (Nr = 89)	67 (75.3)
Proportion of EUS with FNA or drainage (Nr = 92)
< 20%	35 (38)
20%-40%	36 (39.1)
40%-60%	18 (19.6)
60%-80%	3 (3.3)
> 80%	0
EUS-FNA annual hospital caseload (Nr = 92)
< 50	32 (34.8)
50-100	26 (28.3)
100-200	25 (27.2)
> 200	9 (9.8)
Sensitivity of EUS-FNA for the diagnosis of solid mass lesions (Nr = 61)
< 40%	1 (1.6)
40%-60%	14 (23.0)
60%-80%	23 (37.7)
> 80%	23 (37.7)

Numbers are means ± SD except where stated otherwise. N_r: Number of respondents for each question; ERCP: Endoscopic retrograde cholangio-pancreatography; EUS: Endoscopic ultrasonography; EUS-FNA: Endoscopic ultrasonography-guided fine needle aspiration; FNA: Fine needle aspiration.