Table 2.

Quality assessments of RCTs with the Jadad score

Study	Randomization	Double blinding	Withdrawals and dropouts	Score summaries
Baik et al. [21]	2	0	1	3
Debakey et al. [17]	1	0	1	2
Jayne et al. [19]	2	0	1	3
Kim et al. [16]	2	0	1	3
Patriti et al. [20]	1	0	1	2
Tang et al. [22]	2	0	1	3
Wang et al. [18]	2	0	1	3

The full Jadad score was 5 points, and scores ≥ 3 were considered high quality