TIMP-@ concentrations were lower on postoperative day one , ( TIMP-@ -LSB- ng/mL -RSB- : @ -LSB- @ -RSB- versus @ -LSB- @ -RSB- , P = @ ) , whereas MMP-@ levels were lower on postoperative days four and five ( MMP-@ -LSB- ng/mL -RSB- : @ -LSB- @ -RSB- versus @ -LSB- @ -RSB- , P = @ ) .