Page 115 - Open versus closed Mandibular condyle fractures
P. 115

Clinical outcome in treatment of unilateral condylar fractures
STATISTICS
The patient population was described using means and percentages. For mandibular movement, the mean ranges were described in millimeters together with the standard deviation. The MFIQ was considered a continuous variable. Normality was determined using the Kolmogorov-Smirnov test. The T-test (continuous data) and Mann-Whitney U test (ordinal data or non- normally distributed continuous data) were used to compare the results from the clinical measurements and questionnaires between the open and closed treatment group to determine if there was a significant difference for either of the treatment modalities.
Correlations of the MFIQ with gender, age, the presence of other fractures, cause of the trauma, fracture type, treatment method, use of MMF, presence of dentition, subjective occlusion, physiotherapy, education level, and length of follow-up were calculated (Spearman’s correlation).
A comparison was made between the patients who were included and those who were excluded regarding age, gender, fracture level related to the mandibular joint capsule (intracapsular or extracapsular), site of the fracture, other fractures, and open and closed treatment, using the T-test (continuous data) and the Mann- Whitney U test (ordinal data). This was done to make sure that the patients included were representative of the total population.
IBM SPSS Statistics version 24 (IBM Corp., Armonk, NY, USA) was used for the data analysis. The significance level was set at P = 0.05.
RESULTS
In total, 74 patients were included in this study, i.e., 43.3% of the total 171 patients approached. The included and excluded patients did not differ significantly in age (P = 0.864), gender (P = 0.751), fracture level related to the mandibular joint capsule (intracapsular or extracapsular) (P = 0.104), site of the fracture (P = 0.225), other fractures (P = 0.130), or open and closed treatment (P= 0.431). Forty-nine of the 74 patients were male (66.2%) and 25 were female (33.8%).
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