Table 1 The fundamental structural characteristics of the AINs.

From: Information entropy and relative entropy models for analyzing structural robustness in airway networks

AINs

Nodes

Edges

Average degree

Clustering coefficient

Average shortest path length

Assortativity coefficient

National

881

1762

3.99

0.21

10.03

− 0.029

Beijing

69

254

3.68

0.17

3.69

− 0.058

Shanghai

111

220

3.95

0.22

4.87

0.022

Guangzhou

84

158

3.77

0.17

4.03

− 0.024

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