Table 5 Inter-observer variability (in degrees) for sagittal Cobb angle measurement on supine low dose CT scans
| Â | T5-T12 | T2-T12 | T10-L2 | T12-S1 | ||||
|---|---|---|---|---|---|---|---|---|
Inter-observer difference | Before surgery | After surgery | Before surgery | After surgery | Before surgery | After surgery | Before surgery | After surgery |
Mean | 0.26 | 0.25 | 0.21 | 0.10 | 0.20 | 0.30 | 0.14 | 1.71 |
SD | 3.04 | 2.34 | 3.67 | 2.77 | 3.10 | 2.95 | 3.88 | 3.77 |
95% CI | 6.20 | 4.77 | 7.48 | 5.65 | 6.32 | 6.01 | 7.91 | 7.69 |