TABLE 2.

Details of quality assessment.

Research
RCT/Jadad Score	Randomization				Concealment	Blinded	Withdraw or drop-out			Total
Schubert et al. (2019)	2				2	2	1			7
Basheer et al.	2				1	2	0			5
Rughani et al.	2				2	2	1			7
Choi et al.	2				1	2	1			6
Petersen et al.	1				1	2	1			5
Ding et al.	2				2	2	1			7

Non-RCT/Newcastle-Ottawa Scale	Selection				Comparability		Outcome			Total
	1	2	3	4	+		1	2	3
Schubert et al. (2020)	+	+	+	+	+		+	+	+	8+