Table 2. The basic fibroblast growth factor (bFGF) and vascular endothelial growth factor (VEGF) expression in each group. Data are means (±SD). Group n bFGF IOD VEGF IOD CON 7 114.68 (39.39) † †  131.26 (17.12) ND1W 6 296.17 (180.47) 140.58 (48.07) ND2W 6 202.35 (37.94) 161.29 (16.76) ND4W 7 171.93 (75.4) †  144.07 (47.44) ND8W 7 142.6 (12.26) † †  117.74 (41.78) †  and † †  denote p < 0.05 and 0.01, respectively, compared with the ND1W group. CON: normal control; ND1W: post-injury 1 week; ND2W: post-injury 2 weeks; ND4W: post-injury 4 weeks; ND8W: post-injury 8weeks.