Figure 1.

ICF codes are key points and nodes of this complex map. Each node is an ICF code and is connected with several other nodes in the network. The degree of connectivity gives a k value, where the greater the k value, the greater the node structure stability with network effects. The left side of the network contains 39 codes and are collectively considered the “main component.”^[12] P: the real situation of patients; C: the situation of patients with assistance. The listed items in the end have no relationship with the other items.