Table 1.
Observer demographics and kappa values*
| Variable | Number | % | Kappa | SE |
|---|---|---|---|---|
| Observers’ gender (total = 73) | ||||
| Male | 67 | 92 | 0.41 | 0.00 |
| Female | 6 | 8 | 0.44 | 0.02 |
| Location of practice | ||||
| Asia | 3 | 4 | 0.27 | 0.05 |
| Australia | 3 | 4 | 0.22 | 0.04 |
| Canada | 3 | 4 | 0.45 | 0.04 |
| Europe | 12 | 16 | 0.25 | 0.01 |
| United States | 50 | 68 | 0.47 | 0.00 |
| Other | 2 | 3 | 0.56 | 0.08 |
| Years in practice | ||||
| 0–5 | 15 | 21 | 0.40 | 0.01 |
| 6–10 | 21 | 29 | 0.46 | 0.01 |
| 11–20 | 28 | 38 | 0.36 | 0.01 |
| 21–30 | 9 | 12 | 0.46 | 0.02 |
| Supervise | ||||
| Yes | 66 | 90 | 0.41 | 0.00 |
| No | 7 | 10 | 0.37 | 0.02 |
| Fractures per year | ||||
| 0–5 | 11 | 15 | 0.28 | 0.01 |
| 6–10 | 18 | 25 | 0.41 | 0.01 |
| 11–20 | 23 | 32 | 0.46 | 0.01 |
| > 20 | 21 | 29 | 0.42 | 0.01 |
| Specialization | ||||
| General orthopaedics | 1 | 1 | ||
| Orthopaedic traumatology | 32 | 44 | 0.43 | 0.01 |
| Shoulder and elbow | 11 | 15 | 0.28 | 0.01 |
| Hand and wrist | 24 | 33 | 0.43 | 0.01 |
| Other | 5 | 7 | 0.47 | 0.02 |
* Overall kappa = 0.41; SE, 0.003; < 0.001.