Table 1.

Jadad score calculation

Item	Score
Randomization present	0/1
An appropriate randomization was utilized.	0/1
Blinding present	0/1
An appropriate blinding method was utilized.	0/1
Appropriate long-term follow-up on all patients	0/1
Maximum possible score	5
Total Score 0-2: Low Quality	5 studies
Total Score 3-5: High Quality	31 studies