| Odds ratio | 95% CI | P value |
---|
MSF
| 12.1 | 3.3–44.3 | < 0.001 |
X-ray
| 10.4 | 1.1–98.9 | 0.041 |
- When numerous factors (surgical approach, needle size, needle presence and needle location) were account for from Clinical Scenarios 3 and 4, MSF and X-ray were independently associated with an accurate determination of the presence of a needle.