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Table 3 The quality and risk of bias in the trials included in the analysis

From: Probiotics for infantile colic: a systematic review

Study/year/reference Random sequence generation (selection bias) Allocation concealment (selection bias) Blinding of participants and personnel (performance bias) Blinding of outcome assessment (detection bias) Incomplete outcome data (attrition bias) Selective reporting (reporting bias) Other bias
Savino/2007 [24] Low risk Low risk High risk Low risk Low risk Low risk Low risk
Savino/2010 [25] Low risk Unclear risk Low risk Low risk Low risk Low risk Low risk
Szajewska/2013 [26] Low risk Low risk Low risk Low risk Low risk Low risk Low risk