Statistical Analysis
The findings analyzed by the SPSS 22.0 (SPSS Inc., Armonk, NY) software
system Normality assumption was measured by the Kolmogorov Smirnov test.
Categorical variables were compared with chi-square test, and scale
variables were compared with One Way Anova test. Finally, a multivariate
analysis was performed to research the effect of cartilage groups on
postoperative average of PTA, ABG, and ABG closure.