group T0 T1 T2 T3 T4 NE (pg/ml) N 772 ± 154 742 ± 96 725 ± 79 640 ± 82 638 ± 77   F 742 ± 117 781 ± 102 698 ± 82 702 ± 75 674 ± 84 E (pg/ml) N 89 ± 66 72 ± 25 69 ± 36 64 ± 15 63 ± 12   F 91 ± 52 69 ± 34 58 ± 13 67 ± 17 68 ± 14 ALD (pg/ml) N 276 ± 9.3 304 ± 11 575 ± 16*§ 583 ± 19*§ 639 ± 17*§   F 299 ± 12 301 ± 14 539 ± 12*§ 568 ± 11*§ 642 ± 23*§ T0 Vs T0: *P<0.05; To Vs T1 §P<0.05: in intra-group comparison, #P<0.05

Table 2: Comparison of serum concentration of NE, E, ALD at various points in time between the two groups ( ± s, n=20).