Review Article
Does Preoperative Radio(chemo)therapy Increase Anastomotic Leakage in Rectal Cancer Surgery? A Meta-Analysis of Randomized Controlled Trials
Table 2
Jadad score of included trials.
| Study | Random allocation | Concealed allocation | Double blinding | Withdrawals and dropouts | Jadad’s score |
| Cedermark et al. [18] | 2 | 1 | 0 | 1 | 4 | MRCRCWP et al. [19] | 2 | 1 | 0 | 1 | 4 | Sebag-Montefiore et al. [20] | 2 | 1 | 0 | 1 | 4 | Sauer et al. [21] | 1 | 1 | 0 | 1 | 3 | Park et al. [22] | 1 | 2 | 0 | 1 | 4 | Marijnen et al. [23] | 2 | 2 | 0 | 1 | 5 | SRCT [24] | 2 | 1 | 0 | 1 | 4 |
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