TAPP group had lower incidence of hematoma ( TAPP , 6.6 % vs. Lichtenstein 13.3 % ; P = 0.67 ) , seroma ( TAPP 10 % vs. Lichtenstein 13.3 % ; P = 1.00 ) , and infection ( TAPP 0 vs. Lichtenstein 1.6 % ; P = 0.67 ) .