TABLE 2. Sphericity index and midline shift change.
| Characteristics | Value | |
|---|---|---|
| Sphericity index | ||
| Mean ± SD | 1.520±0.327 | |
| Median (range) | 1.510 (1.020–2.400) | |
| Postoperative midline shift (mm) | ||
| Mean ± SD | 6.360±3.312 | |
| Follow-up CT midline shift (mm) | ||
| Mean ± SD | 7.630±5.350 | |
| Postoperative follow-up CT period (days) | ||
| Mean ± SD | 6.000±2.676 | |
| Median (range) | 7.000 (1–14) | |
| Postoperative midline shift change (mm) | ||
| Mean ± SD | 1.270±4.160 | |
SD: standard deviation, CT: computed tomography.