Tactile thresholds were significantly decreased at the first ( 6,080.21 and 3.760.13 g ; p < 0.001 ) and third ( 6.760.24 and 4.960.16 g ; p < 0.001 ) postoperative days compared to baseline preoperative values ( 7.720.26 , and 7.600.21 g ; p = 816 ) in two groups .