Table 3.
The Pearson correlation coefficients and P-values.
| Relationship | Correlation value (95% Confidence Interval) | P-Value |
|---|---|---|
| Transmission length (same level) and number of interferences | 0.48 (CI.: − 0.70 to 0.95) | 0.41 |
| Transmission length (different level) number of and interferences | 0.63 (CI.: − 0.57 to 0.97) | 0.25 |