Table 1 Quality assessment of randomized, controlled trials included in the review
Reference | Jadad score | Sum of Jadad score | Lost at follow-up | Intention to treat analysis | Allocation concealment | ||||
|---|---|---|---|---|---|---|---|---|---|
| Â | Randomization | Appropriateness of randomization | Double blind | Appropriateness of double blind | Analysis reasons for withdrawals | Â | Â | Â | Â |
Diskin, 1990 [24] | 1 | 0 | 0 | 0 | 1 | 2 | 3/7 | no | unknown |
Donnelly, 1992 [25] | 1 | 0 | 1 | 1 | 1 | 4 | 3/16 | yes | unknown |
Ando, 1999 [26] | 1 | 0 | 0 | 0 | 1 | 2 | 0/38 | no | unknown |
Khajehdehi, 2000 [27] | 1 | 0 | 0 | 0 | 1 | 2 | 0/60 | no | unknown |
Schmitz, 2002 [28] | 1 | 1 | 1 | 1 | 1 | 5 | 1/24 | yes | unknown |
Saifullah, 2007 [14] | 1 | 1 | 1 | 1 | 1 | 5 | 4/27 | no | unknown |
Svensson 2008 [29] | 1 | 1 | 1 | 1 | 1 | 5 | 54/206 | no | adequate |
Bowden, 2009 [20] | 1 | 1 | 1 | 1 | 1 | 5 | 9/96 | yes | unknown |
Poulia, 2011 [18] | 1 | 0 | 0 | 0 | 1 | 2 | 8/30 | no | unknown |
Kooshki, 2011 [15] | 1 | 1 | 1 | 0 | 0 | 3 | 0/34 | no | unknown |
W.S. An, 2011 [30] | 1 | 1 | 1 | 0 | 1 | 4 | 4/18 | no | unknown |
Lok, 2012 [16] | 1 | 1 | 1 | 1 | 1 | 5 | 5/201 | yes | adequate |
Daud, 2012 [17] | 1 | 0 | 1 | 1 | 1 | 4 | 9/63 | yes | unknown |