Table 2.
Percentage of Kappa index for pedicle screw loosening based on “halo zone sign”
| Kappa/CI | 3 Experts | 3 Experts and 4 SpR |
|---|---|---|
| Kappa index | 0.2198 | 0.1462 |
| 95% confidence interval | CI (−0.0520, 0.4916) | CI (0.0332, 0.2592) |
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.