Table 2

Evaluation of literature quality

IDAuthorYearThe Cochrane risk of bias assessmentJadad scoringITT
Random sequence generationAllocation concealmentBlinding of participants and personnelBlinding of outcome assessmentIncomplete outcome dataSelective reportingOther bias
1Roman et al262018LowLowLowUnclearLowLowLow7No
2Farhangi et al212018LowLowLowUnclearLowLowLow5No
3Schumann et al222018LowHighHighLowLowUnclearUnclear5Yes
4Sawada et al172017LowUnclearUnclearUnclearUnclearUnclearLow3No
5Sanchez et al232017UnclearUnclearUnclearUnclearLowUnclearLow4No
6Romijn et al262017LowLowLowUnclearLowUnclearLow7Yes
7Pinto-Sanchez et al182017LowLowLowUnclearLowUnclearLow7Yes
8Kelly et al202017LowUnclearLowUnclearUnclearUnclearUnclear3No
9Eswaran et al282017LowUnclearHighLowUnclearUnclearUnclear2Yes
10Colica et al292017LowUnclearUnclearUnclearLowUnclearUnclear3No
11Azpiroz et al302017LowUnclearUnclearUnclearLowUnclearLow5Yes
12Lyra et al312016LowLowLowLowLowUnclearUnclear7Yes
13Steenbergen et al322015LowUnclearUnclearUnclearLowUnclearUnclear4No
14Lorenzo-Zúñiga et al332014LowLowLowUnclearLowUnclearUnclear6No
15Peters et al342014LowUnclearUnclearLowLowHighUnclear5No
16Alipour et al352014LowLowLowUnclearLowUnclearUnclear7No
17Yuman and Yingwei362013LowLowLowUnclearUnclearUnclearUnclear6No
18Messaoudi et al192011LowLowLowUnclearLowUnclearUnclear7No
19Simrén et al372010LowLowLowLowLowUnclearUnclear7Yes
20Silk et al382009LowUnclearUnclearUnclearLowUnclearUnclear5No
21Rao et al392009LowUnclearLowUnclearLowUnclearUnclear5No
  • ITT, intent to treat.