| 变量 | 观测值 | 平均值 | 标准差 | 最小值 | 最大值 |
| Ncash | 4818 | 0.142 | 0.104 | 0.0000762 | 1.151 |
| Lev | 4818 | 0.378 | 0.179 | 0.0143 | 0.976 |
| R&D | 4818 | 0.0451 | 0.0361 | 0.000000475 | 0.509 |
| OS | 4818 | 1.211 | 0.838 | 0.365 | 14.14 |
| AC | 4818 | 0.63 | 0.333 | 0.0481 | 6.915 |
| Sice | 4818 | 22.22 | 1.212 | 19.69 | 27.55 |
| Idrate | 4818 | 0.378 | 0.0572 | 0.2 | 0.8 |
| Growth | 4818 | 0.185 | 1.41 | -0.913 | 58.96 |
| ROA | 4818 | 0.05 | 0.0786 | -1.648 | 0.786 |
| Board | 4818 | 2.101 | 0.191 | 1.386 | 2.833 |