Table 5.
Wilcoxon signed-rank test result on centrality metrics of all airports.
| All Airports | ||||
|---|---|---|---|---|
| Metrics | Before > During | Before < During | Z-value | P-value |
| Degree | 199 | 137 | −1.725 | 0.085. |
| Closeness | 218 | 119 | −4.794 | 0.0001*** |
| Eigenvector | 187 | 151 | −1.864 | 0.062. |
| Betweenness | 222 | 110 | −3.782 | 0.0001*** |
| Top 30 Hub Airports | ||||
| Metrics | Before > During | Before < During | Z-value | P-value |
| Degree | 15 | 12 | −0.072 | 0.942 |
| Closeness | 8 | 22 | −2.897 | 0.004** |
| Eigenvector | 9 | 20 | −2.628 | 0.009** |
| Betweenness | 13 | 17 | −1.102 | 0.270 |
Significant Code: 0.001’***’; 0.01’**’; 0.05’*’; 0.1 ‘.’