Table 2

Quality assessment of trials included in the present study
Author Randomization Blind Allocation concealment Withdrawal and dropout Jadad Scroe
1 Koga S[16] without details no well reported well reported 4
2 Hamazoe R[17] without details no well reported well reported 4
3 Fujimura T[18] without details no without details well reported 3
4 Ikeguchi M[19] without details no unclear well reported 2
5 Fujimoto S[20] without details no unclear well reported 2
6 Yonemura Y[21] without details no without details well reported 3
7 Zuo Y[22] without details no unclear well reported 2
8 Wei G[23] well reported no well reported well reported 5
9 Zhang GY[24] well reported no well reported well reported 5
10 Deng HJ[25] well reported no well reported well reported 5

Sun et al.

Sun et al. BMC Cancer 2012 12:526   doi:10.1186/1471-2407-12-526

Open Data