Table 5.
Agreement for existing classification systems of subaxial cervical spine injuries
| Study | Interobserver |
Intraobserver |
||
|---|---|---|---|---|
| Kappa | ICC | Kappa | ICC | |
| Allen and Ferguson | ||||
| Stone et al. [5] | 0.50 | 0.91 | ||
| Vaccaro et al. [12] | 0.53 | 0.63 | ||
| CSISS | ||||
| Stone et al. [5] | 0.96 | 0.98 | ||
| Anderson et al. [10] | 0.88 | 0.98 | ||
| SLIC | ||||
| Stone et al. [5] | 0.79 | 0.98 | ||
| Vaccaro et al. [12] | 0.71 | 0.83 | ||
| Van Middendorp et al. [18] | 0.78 | N/A | ||
| Morphology of SLIC only | ||||
| Van Middendrop et al. [18] | 0.29 | N/Aa | ||
| AO Spine | ||||
| Vaccaro et al. [12] | 0.64 | 0.74 | ||
ICC, intraclass correlation coefficient; CSISS, Cervical Spine Injury Severity Score; SLIC, Subaxial Cervical Spine Injury Classification; AO, Arbeitsgemeinschaft für Osteosynthesefragen (German for “Association for the Study of Internal Fixation”); N/A, not applicable.