Extracellular Vesicles Derived from Adipose Mesenchymal Stem Cells Promote Peritoneal Healing by Activating MAPK-ERK1/2 and PI3K-Akt to Alleviate Postoperative Abdominal Adhesion

Table 1

Nair’s macroscopic adhesion classification.

Score	Characteristics
0	Complete absence of adhesion
1	Single band of adhesion, between viscera or from viscera to abdominal wall
2	Two bands, either between the viscera or from the viscera to the abdominal wall
3	More than two bands, between the viscera or the viscera to the abdominal wall or whole intestines, form a mass without being adherent to the abdominal wall
4	Viscera directly adherent to the abdominal wall, irrespective of number and extent of adhesive bands