| 变量名 | 均值 | 标准差 | 最小值 | 最大值 |
| DS | 0.457 | 0.220 | 0.127 | 1.586 |
| CEOopen | 0.0002 | 1.898 | −7.126 | 5.131 |
| Scale | 15.002 | 3.720 | 7.000 | 28.000 |
| Tenure | 3.859 | 1.409 | 1.000 | 28.000 |
| BDS | 8.632 | 1.460 | 5.000 | 14.000 |
| Bshare | 0.305 | 0.460 | 0.000 | 1.000 |
| Sex | 0.164 | 0.098 | 0.000 | 0.455 |
| Lev | 0.396 | 0.202 | 0.045 | 0.944 |
| Growth | −0.065 | 0.212 | −0.703 | 0.955 |
| Daul | 0.281 | 0.450 | 0.000 | 1.000 |
| Roa | 0.044 | 0.052 | −0.164 | 0.229 |