Classification | N | Mean (%) | SD (%) | SE | p value |
---|---|---|---|---|---|
Anterior ratio | |||||
Class I | 288 | 78.05 | 0.52 | 0.03 | 0.001 |
Class II | 110 | 79.14 | 0.72 | 0.07 | |
Class III | 30 | 77.54 | 0.66 | 0.13 | |
Overall ratio | |||||
Class I | 288 | 91.56 | 0.38 | 0.02 | 0.001 |
Class II | 110 | 91.54 | 0.50 | 0.05 | |
Class III | 30 | 90.2 | 0.79 | 0.14 |