Table 1.
Descriptive Summary of Study Data
| Study Variables |
N (%) |
|
| Learning data | 1028 (100) | |
| Gender | Female | 507 (49.3) |
| Skeletal classification | Class II | 178 (17.3) |
| Class III | 719 (70.0) | |
| Test data | 283 (100) | |
| Gender | Female | 146 (51.6) |
| Skeletal classification | Class II | 32 (11.3) |
| Class III | 251 (88.7) | |
| Image quality | Good | 248 (87.6) |
| Fair | 13 (4.6) | |
| Poor | 22 (7.8) | |
| Metallic artifactsa | Yes | 140 (49.5) |
a
Metallic artifacts included full-mouth fixed orthodontic appliances, massive prostheses, and/or surgical bone plates.