|
|
| Frequency | Percent | Valid percent | Cumulative percent |
| Valid | Proximal | 78 | 25.1 | 25.3 | 25.3 |
| Middle | 94 | 30.2 | 30.5 | 55.8 | |
| Distal | 19 | 6.1 | 6.2 | 62.0 | |
| None | 117 | 37.6 | 38.0 | 100.0 | |
| Total | 308 | 99.0 | 100.0 |
| |
| Missing | System | 3 | 1.0 |
|
|
| Total | 311 | 100.0 |
|
| |