Table 2.
Correlation of Slip Interface Imaging and Surgical Findings
| Surgical plane | κ Coefficienta | |||
|---|---|---|---|---|
| Extrapial | Mixed | Subpial | ||
| Shear line image | ||||
| complete | 15 | 3 | 4 | 0.37 (0.05, 0.69) |
| partial | 0 | 1 | 0 | |
| no | 0 | 0 | 2 | |
| OSS | ||||
| complete | 15 | 3 | 4 | 0.37 (0.05, 0.69) |
| partial | 0 | 1 | 0 | |
| no | 0 | 0 | 2 | |
| Normalized OSS | ||||
| complete | 14 | 1 | 0 | 0.86 (0.67, 1) |
| partial | 1 | 3 | 0 | |
| no | 0 | 0 | 6 | |
OSS: octahedral shear strain.
a
Cohen κ coefficients: < 0.20, poor agreement; 0.21–0.40, fair agreement; 0.41–0.60, moderate agreement; and > 0.60, good agreement. Data in parentheses are 95% CI range.