Table 5 Relationships among secondary indicators.

From: Assessment and evolution analysis of urban infrastructure resilience under flood disaster scenarios based on the PSR model and extension catastrophe progression

Indicator hierarchy

Indicators within hierarchy

Internal relationships

Dimension

A, B, C

Complementary

Primary indicators

A1, A2

Complementary

B1, B2, B3, B4

Complementary

C1, C2, C3

Complementary

Second-level indicators

A11, A12

Complementary

A21, A22, A23, A24

Complementary

B11, B12, B13

Complementary

B21, B22, B23

Complementary

B31, B32, B33

Non-complementary

B41, B42

Non-complementary

C11, C12, C13, C14

Non-complementary

C21, C22

Complementary

C31, C32

Complementary