Table 4.

Adverse events and withdrawals of studies included in meta-analyses.

Author, year	Intervention group	Control group
Terui Y, 200230	No adverse events or withdrawals	No adverse events or withdrawals
Debernardi-Venon W, 200740	No adverse events or withdrawals	No adverse events or withdrawals
Hidaka H, 201143	2 withdrawals (1 for symptomatic hypotension, 1 for patient choice)	1 withdrawal (patient choice)
Kim MY, 201244	5 withdrawals (2 for ingestion of alcohol, 1 for low medical compliance, 2 loss to follow-up)	7 withdrawals (3 for ingestion of alcohol, 2 for low medical compliance, 2 loss to follow-up)