Training in EUS-Guided Fine Needle Aspiration: Safety and Diagnostic Yield of Attending Supervised, Trainee-Directed FNA from the Onset of Training

Table 1

Procedure characteristics.

Variable	Fellow A	Fellow B	Fellow C	Total number of cases	𝑃 value
	(𝑛=112)	(𝑛=99)	(𝑛=94)
Location (%)
(i)  Pancreas	59 (52.7)	54 (54.6)	43 (45.7)	156 (51.2)	0.55^†
(ii) Mediastinal/upper abdominal lymph node	29 (25.9)	25 (25.2)	33 (35.1)	87 (28.5)
(iii) All others	24 (21.4)	20 (20.2)	18 (19.2)	62 (20.3)
Fellow FNA passes/site (mean±SD)	3.2±1.1	2.8±1.2	3.0±1.1	N/A	0.873^‡
Attending FNA passes/site (mean±SD)	2.7±1.2	3.3±1.4	2.8±1.5	N/A	0.02^‡

†Pearson’s test of independence.
‡One-way analysis of variance.