The incidence rates of such major complications as wound dehiscence , infection , and moderate to severe edema were @ % ( @/@ ) , @ % ( @/@ ) , and @ % ( @/@ ) , respectively , in the experimental group in comparison with @ % ( @/@ ) , @ % ( @/@ ) , and @ % ( @/@ ) in the control , with statistically significant differences between the two groups ( P < @ ) .