Effect of Different Membranes on Vertical Bone Regeneration: A Systematic Review and Network Meta-Analysis

Table 1

Inclusion and exclusion criteria.

	Inclusion criteria	Exclusion criteria
Language	English	Else
Study design	Randomized controlled trials/case series	Nonrandomized controlled trials (no control group); studies reported only in the following forms: retrospective studies, review articles, and literature reviews; publications using replicated information
Intervention	Comparison of two or more membranes	Studies involving only one membrane: the membrane studied is not in the range of the selected 7 membranes
Type of operation	GBR/GTR	Else
Surgical site	In the human body; in the mouth	Else
Method	Include patient selection criteria and relevant information; include a description of the procedure	The patient was younger than 18; The patient’s physical condition does not match the criteria; the measurement method of vertical bone increment is not clear or does not match the unified standard ()
Outcome	Includes results related to vertical bone gain; includes results related to complications	Excludes results related to vertical bone gain; complication-related results are not included