Table 3.
Endoscopic ultrasound related adverse event risk and diagnostic yield over a one-year advanced endoscopy training period*
| Training Quartile‡ | Adverse Event Risk | Diagnostic Yield† | ||||||
|---|---|---|---|---|---|---|---|---|
| n |
Trainee Absent
(n=1206) N (%) |
Trainee Present
(n=451) N (%) |
P value | n |
Trainee Absent
(n=631) N (%) |
Trainee Present
(n=269) N (%) |
P value | |
| 1 | 433 | 9 (3) | 8 (8) | 0.04 | 243 | 128 (72) | 42 (76) | 0.55 |
| 2 | 352 | 5 (2) | 0 | 0.59 | 185 | 106 (78) | 44 (90) | 0.07 |
| 3 | 412 | 11 (4) | 6 (4) | 1.00 | 250 | 120 (78) | 63 (75) | 0.61 |
| 4 | 458 | 9 (3) | 8 (6) | 0.11 | 252 | 119 (73) | 62 (77) | 0.50 |
| Overall | 1657 | 34 (3) | 22 (5) | 0.04 | 900 | 473 (75) | 211 (78) | 0.26 |
*Cases that were definitely and possibly related to the EUS procedure were included.
†Limited to EUS-FNA procedures only.
‡1: July to September, 2: October to December, 3: January to March, 4: April to June.