From: Errors in packaging surgical instruments based on a surgical instrument tracking system: an observational study
Hierarchy
Total package (%)
Package with errors (%)
Error rate
N1
13,512 (39.9%)
276 (69.4%)
2.04%*
N2
11,425 (33.8%)
87 (21.8%)
0.76%
N3
8902 (26.3%)
35 (8.8%)
0.39%