| variable | N | mean | p50 | sd | min | max |
| lnpatent | 18,096 | 1.936 | 1.946 | 1.424 | 0 | 5.814 |
| Fin | 18,096 | 0.045 | 0.007 | 0.086 | 0 | 0.453 |
| MI | 18,096 | 13.53 | 13.51 | 0.694 | 4.236 | 17.41 |
| EI | 18,096 | 0.240 | 0.202 | 0.221 | 0 | 0.900 |
| ROA | 18,096 | 0.078 | 0.071 | 0.071 | −0.708 | 1.407 |
| Growth | 18,096 | 0.248 | 0.126 | 0.498 | −0.558 | 2.609 |
| Board | 18,096 | 2.206 | 2.303 | 0.165 | 1.792 | 2.565 |
| Share | 18,096 | 0.344 | 0.322 | 0.149 | 0.021 | 0.900 |
| OGR | 18,096 | 0.370 | 0.095 | 0.721 | −0.242 | 4.133 |