| 变量 | 样本数(个) | 均值 | 标准差 | 最小值 | 最大值 |
| ROA | 3731 | 0.0498 | 1.857 | −30.69 | 108.4 |
| Sub | 3731 | 14.56 | 4.990 | 0 | 21.68 |
| Lev | 3731 | 0.523 | 0.617 | −0.195 | 31.47 |
| ROS | 3731 | 0.00365 | 3.667 | −103.8 | 149.1 |
| Growth | 3731 | 4.712 | 243.9 | −0.985 | 14,883 |
| size | 3731 | 22.34 | 1.329 | 16.16 | 26.66 |
| age | 3731 | 17.15 | 4.145 | 5 | 28 |
| GI | 3731 | 0.114 | 0.377 | 0 | 2.944 |