Table 12.

Quality assessment based on Jadad score of randomized controlled trials reviewed.

Study	Randomization	Blinding	Account of all patients	Total score
[16]	2	2	1	5
[17]	1	1	1	3
[18]	1	0	1	2
[19]	1	1	1	3
[20]	2	2	1	5
[25]	2	2	1	5
[27]	1	0	1	2
[26]	1	1	1	3
[28]	1	1	1	3
[29]	1	1	1	3
[30]	1	1	1	3
[31]	1	1	1	3
[32]	1	1	1	3
[33]	2	2	1	5
[8]	1	1	1	3
[9]	2	1	1	4
[10]	1	1	1	3
[11]	1	0	1	2
[12]	1	0	1	2
[13]	2	0	1	3
[14]	1	1	1	3
[21]	1	0	1	2
[22]	1	0	1	2
[23]	1	1	1	3
[24]	2	2	1	5
[15]	1	0	1	2
				Mean: 3.15
				SD: 1.04