Table 2.
Comparison of subject's perception and orthodontist's assessment of IOTN-AC.
| IOTN-AC | Grades | Chi-square nonparametric | Kappa measurement of agreement | ||
|---|---|---|---|---|---|
| No need (1 to 4) |
Borderline need (5 to 7) |
Definitive need (8 to 10) |
|||
| Subject's perception | 215 | 25 | 12 |
215.32 Sig. 0.000 |
0.487 |
| Orthodontist's assessment | 172 | 72 | 08 | ||