Table 1 Risk of Bias of Included Studies*
From: Effects of reflexology on premenstrual syndrome: a systematic review and meta-analysis
(Citation) Study (Year) | Selection Bias | Patient Blinding | Assessor Blinding | Incomplete Outcome Data | Selective Outcome Reporting | |
|---|---|---|---|---|---|---|
Random Sequence Generation | Allocation Concealment | |||||
[18] Oleson (1993) | L | U | L | U | L | L |
[19] Kim (2002) | H | H | U | U | L | L |
[20] Kim (2004) | U | U | U | U | U | L |
[21] Lee (2011) | H | H | U | U | L | L |
[11] Abdollahi Fard (2013) | L | U | L | U | L | L |
[22] Baghdassarians (2015) | U | U | U | U | U | U |
[23] Nalini (2015) | U | U | U | U | U | L |
[24] Prema (2017) | U | U | U | U | U | U |
[12] Shafaie (2018) | L | U | L | H | L | L |