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Intraobserver study of observed Cobbs’ angle differences using small radiographs
| N | Minimum | Maximum | Mean | SD deviation | |
|---|---|---|---|---|---|
| Observer 1 | 40 | 0 | 6.00 | 2.5500 | 1.92087 |
| Observer 2 | 40 | 0 | 8.00 | 2.6000 | 2.18151 |
| Observer 3 | 40 | 0 | 8.00 | 2.3750 | 1.93069 |
| Observer 4 | 40 | 0 | 14.00 | 4.2500 | 3.04454 |
| Observer 5 | 40 | 0 | 12.00 | 2.4500 | 2.73580 |
| Observer 6 | 40 | 0 | 10.00 | 2.0000 | 1.90815 |
| Observer 7 | 40 | 0 | 11.00 | 2.4500 | 2.37454 |
| Observer 8 | 40 | 0 | 10.00 | 2.3500 | 1.81941 |
