Table 4.
Paired t-test results for the centrality metrics.
| All Airports | |||||
|---|---|---|---|---|---|
| Metrics | Before | During | Difference | Percentage of Differece | P-value |
| Degree | 13.8 ± 26.6 | 9.9 ± 19.2 | −3.95 | −28.6% | 5.2E-13*** |
| Closeness | 9.8E-4±1.6E-4 | 1.1E-3±1.8E-4 | 1.05E-4 | 10.7% | 2.3E-16*** |
| Eigenvalue | 0.1 ± 0.02 | 0.06 ± 0.1 | −0.07 | −70% | 2.3E-16*** |
| Betweenness | 339.4 ± 1319.7 | 412.5 ± 1722.8 | 73.17 | 21.5% | 0.16 |
| Top 30 Hub Airports | |||||
| Metrics | Before | During | Difference | Percentage of Differece | P-value |
| Degree | 85.6 ± 45.5 | 58.6 ± 37.8 | −27 | −31.5% | 3.5E-08*** |
| Closeness | 1.7E-3±9.0E-5 | 1.9E-3±8.0E-5 | 1.89E-4 | 11.1% | 8.6E-12*** |
| Eigenvector | 0.5 ± 0.2 | 0.3 ± 0.3 | −0.23 | −46% | 3.5E-05*** |
| Betweenness | 3358.5 ± 3055.6 | 3956.6 ± 4314.6 | 597.96 | 17.8% | 0.31 |