| Table 4. Spearman’s Rank Correlation Calculation Table. The correlation coefficient of 1.0 indicates a perfect positive monotonic relationship between CANros severity and DFI. | |||||
| CANROS | DFI | CANROS Rank | DFI Rank | Difference (di) | Difference Squared (di)2 |
|---|---|---|---|---|---|
| Normal | 23.6 | 1 | 1 | 0 | 0 |
| Mild | 25.5 | 2 | 2 | 0 | 0 |
| Moderate | 28.2 | 3 | 3 | 0 | 0 |
| Severe | 39.1 | 4 | 4 | 0 | 0 |