From: Factors affecting perception of the normal pediatric appendix on sonography
Top 4 sonographers, N = 50 | All others, N = 77 | p value | |
---|---|---|---|
US result appendix normal, n (%) | 44 (88.0) | 16 (20.8) | < 0.001 |
Appendix not visualized, n (%) | 6 (12.0) | 61 (79.2) | |
Years of experience, median (25th, 75th percentile) | 15 (9, 15) | 8 (3, 14) | < 0.001 |