| Variables | NN | NDW | RDW | SDW | TNS |
| NN | 1.00 | 0.92 | 0.93 | 0.91 | 0.84 |
| NDW |
| 1.00 | 0.97 | 0.95 | 0.89 |
| RDW |
|
| 1.00 | 0.95 | 0.87 |
| SDW |
|
|
| 1.00 | 0.95 |
| TNS |
|
|
|
| 1.00 |