| 变量 | 观测值 | 均值 | 标准差 | 最小值 | 中位数 | 最大值 |
| EI | 1169 | 18.311 | 4.623 | 9 | 18 | 28 |
| QFIIR (%) | 1169 | 0.195 | 0.611 | 0 | 0 | 3.630 |
| Top1 | 1169 | 0.404 | 0.153 | 0.075 | 0.408 | 0.737 |
| Herfindahl5 | 1169 | 0.206 | 0.127 | 0.017 | 0.189 | 0.550 |
| ROA | 1169 | 0.053 | 0.056 | -0.089 | 0.041 | 0.254 |
| Growth | 1169 | 0.114 | 0.481 | -0.658 | 0.042 | 3.275 |
| Lev | 1169 | 0.516 | 0.194 | 0.084 | 0.531 | 0.883 |
| TobinQ | 1169 | 2.162 | 1.518 | 0.867 | 1.631 | 9.385 |
| Size | 1169 | 22.918 | 1.340 | 20.618 | 22.803 | 26.285 |
| CFO | 1169 | 0.071 | 0.071 | -0.130 | 0.066 | 0.273 |
| Inv | 1169 | 0.073 | 0.057 | 0.004 | 0.060 | 0.269 |
| Idd | 1169 | 0.364 | 0.054 | 0.273 | 0.333 | 0.571 |