Table 4: Jadad criteria used to assess quality of RCTs.
Publication |
Randomization |
Method of randomization described & appropriate |
Blinding mentioned |
Method of blinding described and appropriate |
Withdrawal and dropout of subjects provided |
Total score |
Kahathuduwa, et al. [28] USA |
1 |
1 |
1 |
0 |
1 |
4 |
Kahathuduwa, et al. [35] USA |
1 |
0 |
1 |
0 |
0 |
2 |
Einöther, et al. [3] Netherlands |
1 |
0 |
1 |
1 |
0 |
3 |
Ide, et al. [36] Japan |
1 |
1 |
1 |
0 |
1 |
4 |
Dodd, et al. [37] UK |
1 |
1 |
1 |
1 |
0 |
4 |
Ota, et al. [38] Japan |
1 |
0 |
1 |
0 |
0 |
2 |
Yoto, et al. [39] Japan |
1 |
1 |
1 |
0 |
0 |
3 |
Shiah & Radin [40] Taiwan |
1 |
1 |
1 |
0 |
1 |
4 |
Foxe, et al. [41] USA |
1 |
0 |
1 |
0 |
1 |
3 |
De Bruin, et al. [42] Netherlands |
1 |
1 |
1 |
1 |
1 |
5 |
Giesbrecht, et al. [43] Netherlands |
1 |
0 |
1 |
1 |
0 |
3 |
Total quality assessment score for which scores range between 1 and 5: with 1 being the lowest quality and 5 being the highest quality. 3 = Above average quality; *Described elsewhere.