New model for surgical and nonsurgical therapy in adults with XXXX .

@entity1 @entity8431 @entity3233
INTRODUCTION: Not all adult @entity3233 @entity1 are candidates for surgical correction. In @entity1 assessment and selection, major issues remain regarding diagnosis and treatment planning. The purpose of this investigation was to ascertain whether adding a transverse parameter to a discriminant analysis could improve the classification of adults with @entity3233 into 2 groups of @entity1 : those who can effectively be treated by orthodontic therapy and those who require orthognathic surgery. METHODS: Cephalograms, plaster casts, and extraoral photos of 69 adults with @entity3233 were analyzed. A discriminant analysis was performed to identify the variables that best separate the 2 groups. RESULTS: Stepwise variable selection resulted in a new, highly significant (P <0.0001) model of 4 variables that provided the best discriminant function to distinguish between @entity1 with and without indications for surgical correction. The resulting equation was the following: score = -10.988 + 0.243 * Wits + 0.055 * M/M ratio + 0.068 * NSAr - 0.589 * mand @entity8431 . The percentage of @entity1 correctly classified by this equation was 91.3%. The sensitivity was 0.92, and the specificity was 0.89. CONCLUSIONS: In the discriminant analysis, the mandibular midline deviation as a transverse component was included. The addition of the transverse variable led to an improved model concerning the predictive value in @entity3233 @entity1 with surgical requirements.
