Table 1.

Criteria described by Tang et al. [22]; a histological evaluation of adhesions

Points	Features of adhesion
Quantity
0	No apparent adhesions
1	A number of scattered filaments
2	A large number of filaments
3	Countless filaments
Quality
0	No apparent adhesions
1	Regular, elongated, fine, filamentous
2	Irregular, mixed, shortened, filamentous
3	Dense, not filamentous
Grading of adhesions
0	None
1–2	Slight
3–4	Moderate
5–6	Severe