Table 2.
Occurrence and rate of MSI per surgical specialty
| Surgical specialty | Surgeries | MSIs | Rate | p value |
|---|---|---|---|---|
| Open cardiac-surgery | 3855 | 7 | 1.82‰ | < 0.001* |
| General surgery | 119,954 | 50 | 0.42‰ | |
| Gynecology | 61,734 | 21 | 0.34‰ | |
| Ophthalmology | 42,881 | 1 | 0.02‰ | |
| Orthopedic surgery | 69,827 | 31 | 0.44‰ | |
| Otorhinolaryngology | 69,621 | 19 | 0.27‰ | |
| Urology | 43,390 | 5 | 0.12‰ |
Cardiac surgery is the specialty with the higher rate of MSIs, and Ophthalmology is the specialty with the lower rate of MSIs. The rate of occurrence is expressed per thousand of surgeries
MSIs Missed surgical items
*Chi-square test, significant for differences in MSI occurrences between surgical specialties, p ≤ 0.05