Table 2.

Risk of bias, level of evidence, and strength of recommendation for randomized controlled trials.

	Cochrane Risk of Bias Tool 2.0						SORT
Study, Year	Randomization Process	Deviations from Intended Interventions	Missing Data	Measurement of Outcome	Selection of Reported Results	Overall Risk of Bias	Level of Evidence	Strength of Recommendation
Asuero et al. [8], 2014	Low risk	Some concerns	Low risk	High risk	Low risk	High risk	2	B
Schroeder et al. [16], 2016	Low risk	Some concerns	Low risk	High risk	Low risk	High risk	2	B
Auserón et al. [18], 2017	Low risk	Some concerns	Low risk	High risk	Low risk	High risk	2	B
Fuertes et al. [19], 2019	Low risk	Some concerns	Low risk	High risk	Low risk	High risk	2	B

SORT, strength of recommendation taxonomy.