The serum levels of MTL in T group on PBD 3 , 7 , 14 [ ( 246 + / - 80 ) , ( 299 + / - 76 ) , ( 300 + / - 100 ) ng/L ] were significantly higher than those in C group [ ( 189 + / - 44 ) , ( 203 + / - 64 ) , ( 200 + / - 67 ) ng/L , with t value respectively 14.173 , 19.294 , 26.298 , P values all below 0.01 ] .
